248366988

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 644978880

約数和(自身を除く): 396611892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 229, 282, 423, 458, 564, 641, 687, 846, 916, 1282, 1374, 1692, 1923, 2061, 2564, 2748, 3846, 4122, 5769, 7692, 8244, 10763, 11538, 21526, 23076, 30127, 32289, 43052, 60254, 64578, 90381, 96867, 120508, 129156, 146789, 180762, 193734, 271143, 293578, 361524, 387468, 440367, 542286, 587156, 880734, 1084572, 1321101, 1761468, 2642202, 5284404, 6899083, 13798166, 20697249, 27596332, 41394498, 62091747, 82788996, 124183494, 248366988]

約数ペア:

[(1, 248366988), (2, 124183494), (3, 82788996), (4, 62091747), (6, 41394498), (9, 27596332), (12, 20697249), (18, 13798166), (36, 6899083), (47, 5284404), (94, 2642202), (141, 1761468), (188, 1321101), (229, 1084572), (282, 880734), (423, 587156), (458, 542286), (564, 440367), (641, 387468), (687, 361524), (846, 293578), (916, 271143), (1282, 193734), (1374, 180762), (1692, 146789), (1923, 129156), (2061, 120508), (2564, 96867), (2748, 90381), (3846, 64578), (4122, 60254), (5769, 43052), (7692, 32289), (8244, 30127), (10763, 23076), (11538, 21526)]