15697969651

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{19867}}^1$

素因数の和:20363

約数の個数: 32

約数和(自身を含む): 20382978560

約数和(自身を除く): 4685008909

約数列:

[1, 7, 13, 19, 91, 133, 247, 457, 1729, 3199, 5941, 8683, 19867, 41587, 60781, 112879, 139069, 258271, 377473, 790153, 1807897, 2642311, 4907149, 9079219, 34350043, 63554533, 118029847, 172505161, 826208929, 1207536127, 2242567093, 15697969651]

約数ペア:

[(1, 15697969651), (7, 2242567093), (13, 1207536127), (19, 826208929), (91, 172505161), (133, 118029847), (247, 63554533), (457, 34350043), (1729, 9079219), (3199, 4907149), (5941, 2642311), (8683, 1807897), (19867, 790153), (41587, 377473), (60781, 258271), (112879, 139069)]