71881964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{557}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 157489920

約数和(自身を除く): 85607956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 419, 557, 838, 1114, 1676, 2228, 2933, 3899, 4609, 5866, 6127, 7798, 9218, 11732, 12254, 15596, 18436, 24508, 32263, 42889, 64526, 85778, 129052, 171556, 233383, 466766, 933532, 1633681, 2567213, 3267362, 5134426, 6534724, 10268852, 17970491, 35940982, 71881964]

約数ペア:

[(1, 71881964), (2, 35940982), (4, 17970491), (7, 10268852), (11, 6534724), (14, 5134426), (22, 3267362), (28, 2567213), (44, 1633681), (77, 933532), (154, 466766), (308, 233383), (419, 171556), (557, 129052), (838, 85778), (1114, 64526), (1676, 42889), (2228, 32263), (2933, 24508), (3899, 18436), (4609, 15596), (5866, 12254), (6127, 11732), (7798, 9218)]