28011204

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 79591680

約数和(自身を除く): 51580476

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 71, 78, 108, 117, 142, 156, 213, 234, 281, 284, 351, 426, 468, 562, 639, 702, 843, 852, 923, 1124, 1278, 1404, 1686, 1846, 1917, 2529, 2556, 2769, 3372, 3653, 3692, 3834, 5058, 5538, 7306, 7587, 7668, 8307, 10116, 10959, 11076, 14612, 15174, 16614, 19951, 21918, 24921, 30348, 32877, 33228, 39902, 43836, 49842, 59853, 65754, 79804, 98631, 99684, 119706, 131508, 179559, 197262, 239412, 259363, 359118, 394524, 518726, 538677, 718236, 778089, 1037452, 1077354, 1556178, 2154708, 2334267, 3112356, 4668534, 7002801, 9337068, 14005602, 28011204]

約数ペア:

[(1, 28011204), (2, 14005602), (3, 9337068), (4, 7002801), (6, 4668534), (9, 3112356), (12, 2334267), (13, 2154708), (18, 1556178), (26, 1077354), (27, 1037452), (36, 778089), (39, 718236), (52, 538677), (54, 518726), (71, 394524), (78, 359118), (108, 259363), (117, 239412), (142, 197262), (156, 179559), (213, 131508), (234, 119706), (281, 99684), (284, 98631), (351, 79804), (426, 65754), (468, 59853), (562, 49842), (639, 43836), (702, 39902), (843, 33228), (852, 32877), (923, 30348), (1124, 24921), (1278, 21918), (1404, 19951), (1686, 16614), (1846, 15174), (1917, 14612), (2529, 11076), (2556, 10959), (2769, 10116), (3372, 8307), (3653, 7668), (3692, 7587), (3834, 7306), (5058, 5538)]