313061777

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 379330560

約数和(自身を除く): 66268783

約数列:

[1, 7, 31, 97, 107, 139, 217, 679, 749, 973, 3007, 3317, 4309, 10379, 13483, 14873, 21049, 23219, 30163, 72653, 94381, 104111, 321749, 417973, 461063, 1442681, 2252243, 2925811, 3227441, 10098767, 44723111, 313061777]

約数ペア:

[(1, 313061777), (7, 44723111), (31, 10098767), (97, 3227441), (107, 2925811), (139, 2252243), (217, 1442681), (679, 461063), (749, 417973), (973, 321749), (3007, 104111), (3317, 94381), (4309, 72653), (10379, 30163), (13483, 23219), (14873, 21049)]