261059344

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 674956800

約数和(自身を除く): 413897456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 53, 56, 68, 91, 104, 106, 112, 119, 136, 182, 199, 208, 212, 221, 238, 272, 364, 371, 398, 424, 442, 476, 689, 728, 742, 796, 848, 884, 901, 952, 1378, 1393, 1456, 1484, 1547, 1592, 1768, 1802, 1904, 2587, 2756, 2786, 2968, 3094, 3184, 3383, 3536, 3604, 4823, 5174, 5512, 5572, 5936, 6188, 6307, 6766, 7208, 9646, 10348, 10547, 11024, 11144, 11713, 12376, 12614, 13532, 14416, 18109, 19292, 20696, 21094, 22288, 23426, 23681, 24752, 25228, 27064, 36218, 38584, 41392, 42188, 43979, 46852, 47362, 50456, 54128, 72436, 73829, 77168, 81991, 84376, 87958, 93704, 94724, 100912, 137111, 144872, 147658, 163982, 168752, 175916, 179299, 187408, 189448, 274222, 289744, 295316, 307853, 327964, 351832, 358598, 378896, 548444, 590632, 615706, 655928, 703664, 717196, 959777, 1096888, 1181264, 1231412, 1255093, 1311856, 1434392, 1919554, 2193776, 2330887, 2462824, 2510186, 2868784, 3839108, 4661774, 4925648, 5020372, 7678216, 9323548, 10040744, 15356432, 16316209, 18647096, 20081488, 32632418, 37294192, 65264836, 130529672, 261059344]

約数ペア:

[(1, 261059344), (2, 130529672), (4, 65264836), (7, 37294192), (8, 32632418), (13, 20081488), (14, 18647096), (16, 16316209), (17, 15356432), (26, 10040744), (28, 9323548), (34, 7678216), (52, 5020372), (53, 4925648), (56, 4661774), (68, 3839108), (91, 2868784), (104, 2510186), (106, 2462824), (112, 2330887), (119, 2193776), (136, 1919554), (182, 1434392), (199, 1311856), (208, 1255093), (212, 1231412), (221, 1181264), (238, 1096888), (272, 959777), (364, 717196), (371, 703664), (398, 655928), (424, 615706), (442, 590632), (476, 548444), (689, 378896), (728, 358598), (742, 351832), (796, 327964), (848, 307853), (884, 295316), (901, 289744), (952, 274222), (1378, 189448), (1393, 187408), (1456, 179299), (1484, 175916), (1547, 168752), (1592, 163982), (1768, 147658), (1802, 144872), (1904, 137111), (2587, 100912), (2756, 94724), (2786, 93704), (2968, 87958), (3094, 84376), (3184, 81991), (3383, 77168), (3536, 73829), (3604, 72436), (4823, 54128), (5174, 50456), (5512, 47362), (5572, 46852), (5936, 43979), (6188, 42188), (6307, 41392), (6766, 38584), (7208, 36218), (9646, 27064), (10348, 25228), (10547, 24752), (11024, 23681), (11144, 23426), (11713, 22288), (12376, 21094), (12614, 20696), (13532, 19292), (14416, 18109)]