664873368

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{2251}}^1$

素因数の和:2688

約数の個数: 64

約数和(自身を含む): 1720888320

約数和(自身を除く): 1056014952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 397, 744, 794, 1191, 1588, 2251, 2382, 3176, 4502, 4764, 6753, 9004, 9528, 12307, 13506, 18008, 24614, 27012, 36921, 49228, 54024, 69781, 73842, 98456, 139562, 147684, 209343, 279124, 295368, 418686, 558248, 837372, 893647, 1674744, 1787294, 2680941, 3574588, 5361882, 7149176, 10723764, 21447528, 27703057, 55406114, 83109171, 110812228, 166218342, 221624456, 332436684, 664873368]

約数ペア:

[(1, 664873368), (2, 332436684), (3, 221624456), (4, 166218342), (6, 110812228), (8, 83109171), (12, 55406114), (24, 27703057), (31, 21447528), (62, 10723764), (93, 7149176), (124, 5361882), (186, 3574588), (248, 2680941), (372, 1787294), (397, 1674744), (744, 893647), (794, 837372), (1191, 558248), (1588, 418686), (2251, 295368), (2382, 279124), (3176, 209343), (4502, 147684), (4764, 139562), (6753, 98456), (9004, 73842), (9528, 69781), (12307, 54024), (13506, 49228), (18008, 36921), (24614, 27012)]