81011308

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 173644800

約数和(自身を除く): 92633492

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 67, 98, 124, 134, 196, 199, 217, 268, 398, 434, 469, 796, 868, 938, 1393, 1519, 1876, 2077, 2786, 3038, 3283, 4154, 5572, 6076, 6169, 6566, 8308, 9751, 12338, 13132, 13333, 14539, 19502, 24676, 26666, 29078, 39004, 43183, 53332, 58156, 86366, 93331, 101773, 172732, 186662, 203546, 302281, 373324, 407092, 413323, 604562, 653317, 826646, 1209124, 1306634, 1653292, 2613268, 2893261, 5786522, 11573044, 20252827, 40505654, 81011308]

約数ペア:

[(1, 81011308), (2, 40505654), (4, 20252827), (7, 11573044), (14, 5786522), (28, 2893261), (31, 2613268), (49, 1653292), (62, 1306634), (67, 1209124), (98, 826646), (124, 653317), (134, 604562), (196, 413323), (199, 407092), (217, 373324), (268, 302281), (398, 203546), (434, 186662), (469, 172732), (796, 101773), (868, 93331), (938, 86366), (1393, 58156), (1519, 53332), (1876, 43183), (2077, 39004), (2786, 29078), (3038, 26666), (3283, 24676), (4154, 19502), (5572, 14539), (6076, 13333), (6169, 13132), (6566, 12338), (8308, 9751)]