81007108

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 199221120

約数和(自身を除く): 118214012

約数列:

[1, 2, 4, 7, 13, 14, 17, 19, 26, 28, 34, 38, 52, 53, 68, 76, 91, 106, 119, 133, 169, 182, 212, 221, 238, 247, 266, 323, 338, 364, 371, 442, 476, 494, 532, 646, 676, 689, 742, 884, 901, 988, 1007, 1183, 1292, 1378, 1484, 1547, 1729, 1802, 2014, 2261, 2366, 2756, 2873, 3094, 3211, 3458, 3604, 4028, 4199, 4522, 4732, 4823, 5746, 6188, 6307, 6422, 6916, 7049, 8398, 8957, 9044, 9646, 11492, 11713, 12614, 12844, 13091, 14098, 16796, 17119, 17914, 19292, 20111, 22477, 23426, 25228, 26182, 28196, 29393, 34238, 35828, 40222, 44954, 46852, 52364, 54587, 58786, 62699, 68476, 80444, 81991, 89908, 91637, 109174, 117572, 119833, 125398, 152269, 163982, 170183, 183274, 218348, 222547, 239666, 250796, 304538, 327964, 340366, 366548, 382109, 445094, 479332, 609076, 680732, 764218, 890188, 1065883, 1191281, 1528436, 1557829, 2131766, 2382562, 2893111, 3115658, 4263532, 4765124, 5786222, 6231316, 11572444, 20251777, 40503554, 81007108]

約数ペア:

[(1, 81007108), (2, 40503554), (4, 20251777), (7, 11572444), (13, 6231316), (14, 5786222), (17, 4765124), (19, 4263532), (26, 3115658), (28, 2893111), (34, 2382562), (38, 2131766), (52, 1557829), (53, 1528436), (68, 1191281), (76, 1065883), (91, 890188), (106, 764218), (119, 680732), (133, 609076), (169, 479332), (182, 445094), (212, 382109), (221, 366548), (238, 340366), (247, 327964), (266, 304538), (323, 250796), (338, 239666), (364, 222547), (371, 218348), (442, 183274), (476, 170183), (494, 163982), (532, 152269), (646, 125398), (676, 119833), (689, 117572), (742, 109174), (884, 91637), (901, 89908), (988, 81991), (1007, 80444), (1183, 68476), (1292, 62699), (1378, 58786), (1484, 54587), (1547, 52364), (1729, 46852), (1802, 44954), (2014, 40222), (2261, 35828), (2366, 34238), (2756, 29393), (2873, 28196), (3094, 26182), (3211, 25228), (3458, 23426), (3604, 22477), (4028, 20111), (4199, 19292), (4522, 17914), (4732, 17119), (4823, 16796), (5746, 14098), (6188, 13091), (6307, 12844), (6422, 12614), (6916, 11713), (7049, 11492), (8398, 9646), (8957, 9044)]