28501928

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 44074072

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 47, 49, 52, 56, 68, 91, 94, 98, 104, 119, 136, 182, 188, 196, 221, 238, 329, 343, 364, 376, 392, 442, 476, 611, 637, 658, 686, 728, 799, 833, 884, 952, 1222, 1274, 1316, 1372, 1547, 1598, 1666, 1768, 2303, 2444, 2548, 2632, 2744, 3094, 3196, 3332, 4277, 4459, 4606, 4888, 5096, 5593, 5831, 6188, 6392, 6664, 8554, 8918, 9212, 10387, 10829, 11186, 11662, 12376, 16121, 17108, 17836, 18424, 20774, 21658, 22372, 23324, 29939, 32242, 34216, 35672, 39151, 41548, 43316, 44744, 46648, 59878, 64484, 72709, 75803, 78302, 83096, 86632, 119756, 128968, 145418, 151606, 156604, 209573, 239512, 274057, 290836, 303212, 313208, 419146, 508963, 548114, 581672, 606424, 838292, 1017926, 1096228, 1676584, 2035852, 2192456, 3562741, 4071704, 7125482, 14250964, 28501928]

約数ペア:

[(1, 28501928), (2, 14250964), (4, 7125482), (7, 4071704), (8, 3562741), (13, 2192456), (14, 2035852), (17, 1676584), (26, 1096228), (28, 1017926), (34, 838292), (47, 606424), (49, 581672), (52, 548114), (56, 508963), (68, 419146), (91, 313208), (94, 303212), (98, 290836), (104, 274057), (119, 239512), (136, 209573), (182, 156604), (188, 151606), (196, 145418), (221, 128968), (238, 119756), (329, 86632), (343, 83096), (364, 78302), (376, 75803), (392, 72709), (442, 64484), (476, 59878), (611, 46648), (637, 44744), (658, 43316), (686, 41548), (728, 39151), (799, 35672), (833, 34216), (884, 32242), (952, 29939), (1222, 23324), (1274, 22372), (1316, 21658), (1372, 20774), (1547, 18424), (1598, 17836), (1666, 17108), (1768, 16121), (2303, 12376), (2444, 11662), (2548, 11186), (2632, 10829), (2744, 10387), (3094, 9212), (3196, 8918), (3332, 8554), (4277, 6664), (4459, 6392), (4606, 6188), (4888, 5831), (5096, 5593)]