25978056

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1571}}^1$

素因数の和:1646

約数の個数: 64

約数和(自身を含む): 71305920

約数和(自身を除く): 45327864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1378, 1571, 2067, 2756, 3142, 4134, 4713, 5512, 6284, 8268, 9426, 12568, 16536, 18852, 20423, 37704, 40846, 61269, 81692, 83263, 122538, 163384, 166526, 245076, 249789, 333052, 490152, 499578, 666104, 999156, 1082419, 1998312, 2164838, 3247257, 4329676, 6494514, 8659352, 12989028, 25978056]

約数ペア:

[(1, 25978056), (2, 12989028), (3, 8659352), (4, 6494514), (6, 4329676), (8, 3247257), (12, 2164838), (13, 1998312), (24, 1082419), (26, 999156), (39, 666104), (52, 499578), (53, 490152), (78, 333052), (104, 249789), (106, 245076), (156, 166526), (159, 163384), (212, 122538), (312, 83263), (318, 81692), (424, 61269), (636, 40846), (689, 37704), (1272, 20423), (1378, 18852), (1571, 16536), (2067, 12568), (2756, 9426), (3142, 8268), (4134, 6284), (4713, 5512)]