665979503

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 796511232

約数和(自身を除く): 130531729

約数列:

[1, 7, 53, 71, 131, 193, 371, 497, 917, 1351, 3763, 6943, 9301, 10229, 13703, 25283, 26341, 48601, 65107, 71603, 95921, 176981, 492953, 726259, 1339999, 1795093, 3450671, 5083813, 9379993, 12565651, 95139929, 665979503]

約数ペア:

[(1, 665979503), (7, 95139929), (53, 12565651), (71, 9379993), (131, 5083813), (193, 3450671), (371, 1795093), (497, 1339999), (917, 726259), (1351, 492953), (3763, 176981), (6943, 95921), (9301, 71603), (10229, 65107), (13703, 48601), (25283, 26341)]