25112984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 29319016

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 179, 247, 284, 358, 494, 568, 716, 923, 988, 1349, 1432, 1846, 1976, 2327, 2698, 3401, 3692, 4654, 5396, 6802, 7384, 9308, 10792, 12709, 13604, 17537, 18616, 25418, 27208, 35074, 44213, 50836, 70148, 88426, 101672, 140296, 165217, 176852, 241471, 330434, 353704, 482942, 660868, 965884, 1321736, 1931768, 3139123, 6278246, 12556492, 25112984]

約数ペア:

[(1, 25112984), (2, 12556492), (4, 6278246), (8, 3139123), (13, 1931768), (19, 1321736), (26, 965884), (38, 660868), (52, 482942), (71, 353704), (76, 330434), (104, 241471), (142, 176852), (152, 165217), (179, 140296), (247, 101672), (284, 88426), (358, 70148), (494, 50836), (568, 44213), (716, 35074), (923, 27208), (988, 25418), (1349, 18616), (1432, 17537), (1846, 13604), (1976, 12709), (2327, 10792), (2698, 9308), (3401, 7384), (3692, 6802), (4654, 5396)]