78882890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{12541}}^1$

素因数の和:12602

約数の個数: 32

約数和(自身を含む): 154417104

約数和(自身を除く): 75534214

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 6290, 12541, 25082, 62705, 125410, 213197, 426394, 464017, 928034, 1065985, 2131970, 2320085, 4640170, 7888289, 15776578, 39441445, 78882890]

約数ペア:

[(1, 78882890), (2, 39441445), (5, 15776578), (10, 7888289), (17, 4640170), (34, 2320085), (37, 2131970), (74, 1065985), (85, 928034), (170, 464017), (185, 426394), (370, 213197), (629, 125410), (1258, 62705), (3145, 25082), (6290, 12541)]