77851990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 143472384

約数和(自身を除く): 65620394

約数列:

[1, 2, 5, 10, 67, 131, 134, 262, 335, 655, 670, 887, 1310, 1774, 4435, 8777, 8870, 17554, 43885, 59429, 87770, 116197, 118858, 232394, 297145, 580985, 594290, 1161970, 7785199, 15570398, 38925995, 77851990]

約数ペア:

[(1, 77851990), (2, 38925995), (5, 15570398), (10, 7785199), (67, 1161970), (131, 594290), (134, 580985), (262, 297145), (335, 232394), (655, 118858), (670, 116197), (887, 87770), (1310, 59429), (1774, 43885), (4435, 17554), (8777, 8870)]