72192770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{997}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 140334768

約数和(自身を除く): 68141998

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 557, 997, 1114, 1994, 2785, 4985, 5570, 7241, 9970, 12961, 14482, 25922, 36205, 64805, 72410, 129610, 555329, 1110658, 2776645, 5553290, 7219277, 14438554, 36096385, 72192770]

約数ペア:

[(1, 72192770), (2, 36096385), (5, 14438554), (10, 7219277), (13, 5553290), (26, 2776645), (65, 1110658), (130, 555329), (557, 129610), (997, 72410), (1114, 64805), (1994, 36205), (2785, 25922), (4985, 14482), (5570, 12961), (7241, 9970)]