313639118

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{21893}}^1$

素因数の和:21956

約数の個数: 32

約数和(自身を含む): 551728800

約数和(自身を除く): 238089682

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 247, 377, 494, 551, 754, 1102, 7163, 14326, 21893, 43786, 284609, 415967, 569218, 634897, 831934, 1269794, 5407571, 8253661, 10815142, 12063043, 16507322, 24126086, 156819559, 313639118]

約数ペア:

[(1, 313639118), (2, 156819559), (13, 24126086), (19, 16507322), (26, 12063043), (29, 10815142), (38, 8253661), (58, 5407571), (247, 1269794), (377, 831934), (494, 634897), (551, 569218), (754, 415967), (1102, 284609), (7163, 43786), (14326, 21893)]