387178428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18661}}^1$

素因数の和:18707

約数の個数: 96

約数和(自身を含む): 1170480640

約数和(自身を除く): 783302212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 364, 399, 494, 532, 546, 741, 798, 988, 1092, 1482, 1596, 1729, 2964, 3458, 5187, 6916, 10374, 18661, 20748, 37322, 55983, 74644, 111966, 130627, 223932, 242593, 261254, 354559, 391881, 485186, 522508, 709118, 727779, 783762, 970372, 1063677, 1418236, 1455558, 1567524, 1698151, 2127354, 2481913, 2911116, 3396302, 4254708, 4609267, 4963826, 5094453, 6792604, 7445739, 9218534, 9927652, 10188906, 13827801, 14891478, 18437068, 20377812, 27655602, 29782956, 32264869, 55311204, 64529738, 96794607, 129059476, 193589214, 387178428]

約数ペア:

[(1, 387178428), (2, 193589214), (3, 129059476), (4, 96794607), (6, 64529738), (7, 55311204), (12, 32264869), (13, 29782956), (14, 27655602), (19, 20377812), (21, 18437068), (26, 14891478), (28, 13827801), (38, 10188906), (39, 9927652), (42, 9218534), (52, 7445739), (57, 6792604), (76, 5094453), (78, 4963826), (84, 4609267), (91, 4254708), (114, 3396302), (133, 2911116), (156, 2481913), (182, 2127354), (228, 1698151), (247, 1567524), (266, 1455558), (273, 1418236), (364, 1063677), (399, 970372), (494, 783762), (532, 727779), (546, 709118), (741, 522508), (798, 485186), (988, 391881), (1092, 354559), (1482, 261254), (1596, 242593), (1729, 223932), (2964, 130627), (3458, 111966), (5187, 74644), (6916, 55983), (10374, 37322), (18661, 20748)]