508720121

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2207}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 667699200

約数和(自身を除く): 158979079

約数列:

[1, 7, 13, 17, 91, 119, 149, 221, 1043, 1547, 1937, 2207, 2533, 13559, 15449, 17731, 28691, 32929, 37519, 200837, 230503, 262633, 328843, 487747, 2301901, 3414229, 4274959, 5590331, 29924713, 39132317, 72674303, 508720121]

約数ペア:

[(1, 508720121), (7, 72674303), (13, 39132317), (17, 29924713), (91, 5590331), (119, 4274959), (149, 3414229), (221, 2301901), (1043, 487747), (1547, 328843), (1937, 262633), (2207, 230503), (2533, 200837), (13559, 37519), (15449, 32929), (17731, 28691)]