31620498

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2051

約数の個数: 64

約数和(自身を含む): 80559360

約数和(自身を除く): 48938862

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 1997, 2262, 2639, 3994, 5278, 5991, 7917, 11982, 13979, 15834, 25961, 27958, 41937, 51922, 57913, 77883, 83874, 115826, 155766, 173739, 181727, 347478, 363454, 405391, 545181, 752869, 810782, 1090362, 1216173, 1505738, 2258607, 2432346, 4517214, 5270083, 10540166, 15810249, 31620498]

約数ペア:

[(1, 31620498), (2, 15810249), (3, 10540166), (6, 5270083), (7, 4517214), (13, 2432346), (14, 2258607), (21, 1505738), (26, 1216173), (29, 1090362), (39, 810782), (42, 752869), (58, 545181), (78, 405391), (87, 363454), (91, 347478), (174, 181727), (182, 173739), (203, 155766), (273, 115826), (377, 83874), (406, 77883), (546, 57913), (609, 51922), (754, 41937), (1131, 27958), (1218, 25961), (1997, 15834), (2262, 13979), (2639, 11982), (3994, 7917), (5278, 5991)]