131242816

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:447

約数の個数: 56

約数和(自身を含む): 267508736

約数和(自身を除く): 136265920

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 127, 134, 241, 254, 268, 482, 508, 536, 964, 1016, 1072, 1928, 2032, 2144, 3856, 4064, 4288, 7712, 8128, 8509, 15424, 16147, 17018, 30607, 32294, 34036, 61214, 64588, 68072, 122428, 129176, 136144, 244856, 258352, 272288, 489712, 516704, 544576, 979424, 1033408, 1958848, 2050669, 4101338, 8202676, 16405352, 32810704, 65621408, 131242816]

約数ペア:

[(1, 131242816), (2, 65621408), (4, 32810704), (8, 16405352), (16, 8202676), (32, 4101338), (64, 2050669), (67, 1958848), (127, 1033408), (134, 979424), (241, 544576), (254, 516704), (268, 489712), (482, 272288), (508, 258352), (536, 244856), (964, 136144), (1016, 129176), (1072, 122428), (1928, 68072), (2032, 64588), (2144, 61214), (3856, 34036), (4064, 32294), (4288, 30607), (7712, 17018), (8128, 16147), (8509, 15424)]