643670072

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 1260230400

約数和(自身を除く): 616560328

約数列:

[1, 2, 4, 8, 67, 89, 103, 131, 134, 178, 206, 262, 268, 356, 412, 524, 536, 712, 824, 1048, 5963, 6901, 8777, 9167, 11659, 11926, 13493, 13802, 17554, 18334, 23318, 23852, 26986, 27604, 35108, 36668, 46636, 47704, 53972, 55208, 70216, 73336, 93272, 107944, 614189, 781153, 904031, 1200877, 1228378, 1562306, 1808062, 2401754, 2456756, 3124612, 3616124, 4803508, 4913512, 6249224, 7232248, 9607016, 80458759, 160917518, 321835036, 643670072]

約数ペア:

[(1, 643670072), (2, 321835036), (4, 160917518), (8, 80458759), (67, 9607016), (89, 7232248), (103, 6249224), (131, 4913512), (134, 4803508), (178, 3616124), (206, 3124612), (262, 2456756), (268, 2401754), (356, 1808062), (412, 1562306), (524, 1228378), (536, 1200877), (712, 904031), (824, 781153), (1048, 614189), (5963, 107944), (6901, 93272), (8777, 73336), (9167, 70216), (11659, 55208), (11926, 53972), (13493, 47704), (13802, 46636), (17554, 36668), (18334, 35108), (23318, 27604), (23852, 26986)]