251015388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 648248832

約数和(自身を除く): 397233444

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 131, 142, 156, 173, 213, 262, 284, 346, 393, 426, 519, 524, 692, 786, 852, 923, 1038, 1572, 1703, 1846, 2076, 2249, 2769, 3406, 3692, 4498, 5109, 5538, 6747, 6812, 8996, 9301, 10218, 11076, 12283, 13494, 18602, 20436, 22663, 24566, 26988, 27903, 36849, 37204, 45326, 49132, 55806, 67989, 73698, 90652, 111612, 120913, 135978, 147396, 159679, 241826, 271956, 294619, 319358, 362739, 479037, 483652, 589238, 638716, 725478, 883857, 958074, 1178476, 1450956, 1609073, 1767714, 1916148, 3218146, 3535428, 4827219, 6436292, 9654438, 19308876, 20917949, 41835898, 62753847, 83671796, 125507694, 251015388]

約数ペア:

[(1, 251015388), (2, 125507694), (3, 83671796), (4, 62753847), (6, 41835898), (12, 20917949), (13, 19308876), (26, 9654438), (39, 6436292), (52, 4827219), (71, 3535428), (78, 3218146), (131, 1916148), (142, 1767714), (156, 1609073), (173, 1450956), (213, 1178476), (262, 958074), (284, 883857), (346, 725478), (393, 638716), (426, 589238), (519, 483652), (524, 479037), (692, 362739), (786, 319358), (852, 294619), (923, 271956), (1038, 241826), (1572, 159679), (1703, 147396), (1846, 135978), (2076, 120913), (2249, 111612), (2769, 90652), (3406, 73698), (3692, 67989), (4498, 55806), (5109, 49132), (5538, 45326), (6747, 37204), (6812, 36849), (8996, 27903), (9301, 26988), (10218, 24566), (11076, 22663), (12283, 20436), (13494, 18602)]