313711489

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 433226880

約数和(自身を除く): 119515391

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 169, 221, 247, 323, 821, 1183, 1547, 1729, 2261, 2873, 3211, 4199, 5747, 10673, 13957, 15599, 20111, 22477, 29393, 54587, 74711, 97699, 109193, 138749, 181441, 202787, 265183, 382109, 971243, 1270087, 1419509, 1856281, 2358733, 2636231, 3447379, 16511131, 18453617, 24131653, 44815927, 313711489]

約数ペア:

[(1, 313711489), (7, 44815927), (13, 24131653), (17, 18453617), (19, 16511131), (91, 3447379), (119, 2636231), (133, 2358733), (169, 1856281), (221, 1419509), (247, 1270087), (323, 971243), (821, 382109), (1183, 265183), (1547, 202787), (1729, 181441), (2261, 138749), (2873, 109193), (3211, 97699), (4199, 74711), (5747, 54587), (10673, 29393), (13957, 22477), (15599, 20111)]