338533678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{3023}}^1$

素因数の和:3472

約数の個数: 32

約数和(自身を含む): 612541440

約数和(自身を除く): 274007762

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 421, 842, 2947, 3023, 5894, 6046, 7999, 15998, 21161, 42322, 55993, 57437, 111986, 114874, 402059, 804118, 1272683, 2545366, 8908781, 17817562, 24180977, 48361954, 169266839, 338533678]

約数ペア:

[(1, 338533678), (2, 169266839), (7, 48361954), (14, 24180977), (19, 17817562), (38, 8908781), (133, 2545366), (266, 1272683), (421, 804118), (842, 402059), (2947, 114874), (3023, 111986), (5894, 57437), (6046, 55993), (7999, 42322), (15998, 21161)]