64720578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 142037280

約数和(自身を除く): 77316702

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 169, 249, 338, 498, 507, 769, 1014, 1079, 1538, 2158, 2307, 3237, 4614, 6474, 9997, 14027, 19994, 28054, 29991, 42081, 59982, 63827, 84162, 127654, 129961, 191481, 259922, 382962, 389883, 779766, 829751, 1659502, 2489253, 4978506, 10786763, 21573526, 32360289, 64720578]

約数ペア:

[(1, 64720578), (2, 32360289), (3, 21573526), (6, 10786763), (13, 4978506), (26, 2489253), (39, 1659502), (78, 829751), (83, 779766), (166, 389883), (169, 382962), (249, 259922), (338, 191481), (498, 129961), (507, 127654), (769, 84162), (1014, 63827), (1079, 59982), (1538, 42081), (2158, 29991), (2307, 28054), (3237, 19994), (4614, 14027), (6474, 9997)]