640444152

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{2237}}^1$

素因数の和:2476

約数の個数: 64

約数和(自身を含む): 1632844800

約数和(自身を除く): 992400648

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 151, 158, 237, 302, 316, 453, 474, 604, 632, 906, 948, 1208, 1812, 1896, 2237, 3624, 4474, 6711, 8948, 11929, 13422, 17896, 23858, 26844, 35787, 47716, 53688, 71574, 95432, 143148, 176723, 286296, 337787, 353446, 530169, 675574, 706892, 1013361, 1060338, 1351148, 1413784, 2026722, 2120676, 2702296, 4053444, 4241352, 8106888, 26685173, 53370346, 80055519, 106740692, 160111038, 213481384, 320222076, 640444152]

約数ペア:

[(1, 640444152), (2, 320222076), (3, 213481384), (4, 160111038), (6, 106740692), (8, 80055519), (12, 53370346), (24, 26685173), (79, 8106888), (151, 4241352), (158, 4053444), (237, 2702296), (302, 2120676), (316, 2026722), (453, 1413784), (474, 1351148), (604, 1060338), (632, 1013361), (906, 706892), (948, 675574), (1208, 530169), (1812, 353446), (1896, 337787), (2237, 286296), (3624, 176723), (4474, 143148), (6711, 95432), (8948, 71574), (11929, 53688), (13422, 47716), (17896, 35787), (23858, 26844)]