251314584

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2633}}^1$

素因数の和:2780

約数の個数: 64

約数和(自身を含む): 650492640

約数和(自身を除く): 399178056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 97, 123, 164, 194, 246, 291, 328, 388, 492, 582, 776, 984, 1164, 2328, 2633, 3977, 5266, 7899, 7954, 10532, 11931, 15798, 15908, 21064, 23862, 31596, 31816, 47724, 63192, 95448, 107953, 215906, 255401, 323859, 431812, 510802, 647718, 766203, 863624, 1021604, 1295436, 1532406, 2043208, 2590872, 3064812, 6129624, 10471441, 20942882, 31414323, 41885764, 62828646, 83771528, 125657292, 251314584]

約数ペア:

[(1, 251314584), (2, 125657292), (3, 83771528), (4, 62828646), (6, 41885764), (8, 31414323), (12, 20942882), (24, 10471441), (41, 6129624), (82, 3064812), (97, 2590872), (123, 2043208), (164, 1532406), (194, 1295436), (246, 1021604), (291, 863624), (328, 766203), (388, 647718), (492, 510802), (582, 431812), (776, 323859), (984, 255401), (1164, 215906), (2328, 107953), (2633, 95448), (3977, 63192), (5266, 47724), (7899, 31816), (7954, 31596), (10532, 23862), (11931, 21064), (15798, 15908)]