77890648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4493}}^1$

素因数の和:4707

約数の個数: 32

約数和(自身を含む): 160166160

約数和(自身を除く): 82275512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 197, 394, 788, 1576, 2167, 4334, 4493, 8668, 8986, 17336, 17972, 35944, 49423, 98846, 197692, 395384, 885121, 1770242, 3540484, 7080968, 9736331, 19472662, 38945324, 77890648]

約数ペア:

[(1, 77890648), (2, 38945324), (4, 19472662), (8, 9736331), (11, 7080968), (22, 3540484), (44, 1770242), (88, 885121), (197, 395384), (394, 197692), (788, 98846), (1576, 49423), (2167, 35944), (4334, 17972), (4493, 17336), (8668, 8986)]