25215678512

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{641}}^1\times {\mathrm{12739}}^1$

素因数の和:13581

約数の個数: 40

約数和(自身を含む): 49188987120

約数和(自身を除く): 23973308608

約数列:

[1, 2, 4, 8, 16, 193, 386, 641, 772, 1282, 1544, 2564, 3088, 5128, 10256, 12739, 25478, 50956, 101912, 123713, 203824, 247426, 494852, 989704, 1979408, 2458627, 4917254, 8165699, 9834508, 16331398, 19669016, 32662796, 39338032, 65325592, 130651184, 1575979907, 3151959814, 6303919628, 12607839256, 25215678512]

約数ペア:

[(1, 25215678512), (2, 12607839256), (4, 6303919628), (8, 3151959814), (16, 1575979907), (193, 130651184), (386, 65325592), (641, 39338032), (772, 32662796), (1282, 19669016), (1544, 16331398), (2564, 9834508), (3088, 8165699), (5128, 4917254), (10256, 2458627), (12739, 1979408), (25478, 989704), (50956, 494852), (101912, 247426), (123713, 203824)]