128875736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{39581}}^1$

素因数の和:39635

約数の個数: 32

約数和(自身を含む): 270740880

約数和(自身を除く): 141865144

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 39581, 79162, 158324, 316648, 435391, 870782, 1464497, 1741564, 2928994, 3483128, 5857988, 11715976, 16109467, 32218934, 64437868, 128875736]

約数ペア:

[(1, 128875736), (2, 64437868), (4, 32218934), (8, 16109467), (11, 11715976), (22, 5857988), (37, 3483128), (44, 2928994), (74, 1741564), (88, 1464497), (148, 870782), (296, 435391), (407, 316648), (814, 158324), (1628, 79162), (3256, 39581)]