65001328

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6521}}^1$

素因数の和:6625

約数の個数: 40

約数和(自身を含む): 145571040

約数和(自身を除く): 80569712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 6521, 9968, 13042, 26084, 45647, 52168, 91294, 104336, 182588, 365176, 580369, 730352, 1160738, 2321476, 4062583, 4642952, 8125166, 9285904, 16250332, 32500664, 65001328]

約数ペア:

[(1, 65001328), (2, 32500664), (4, 16250332), (7, 9285904), (8, 8125166), (14, 4642952), (16, 4062583), (28, 2321476), (56, 1160738), (89, 730352), (112, 580369), (178, 365176), (356, 182588), (623, 104336), (712, 91294), (1246, 52168), (1424, 45647), (2492, 26084), (4984, 13042), (6521, 9968)]