399777746

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:731

約数の個数: 48

約数和(自身を含む): 683013600

約数和(自身を除く): 283235854

約数列:

[1, 2, 17, 19, 34, 38, 59, 118, 289, 323, 578, 617, 646, 1003, 1121, 1234, 2006, 2242, 5491, 10489, 10982, 11723, 17051, 19057, 20978, 23446, 34102, 36403, 38114, 72806, 178313, 199291, 323969, 356626, 398582, 618851, 647938, 691657, 1237702, 1383314, 3387947, 6775894, 10520467, 11758169, 21040934, 23516338, 199888873, 399777746]

約数ペア:

[(1, 399777746), (2, 199888873), (17, 23516338), (19, 21040934), (34, 11758169), (38, 10520467), (59, 6775894), (118, 3387947), (289, 1383314), (323, 1237702), (578, 691657), (617, 647938), (646, 618851), (1003, 398582), (1121, 356626), (1234, 323969), (2006, 199291), (2242, 178313), (5491, 72806), (10489, 38114), (10982, 36403), (11723, 34102), (17051, 23446), (19057, 20978)]