157783885

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 242259840

約数和(自身を除く): 84475955

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 289, 323, 595, 665, 821, 1445, 1615, 2023, 2261, 4105, 5491, 5747, 10115, 11305, 13957, 15599, 27455, 28735, 38437, 69785, 77995, 97699, 109193, 192185, 237269, 265183, 488495, 545965, 1186345, 1325915, 1660883, 1856281, 4508111, 8304415, 9281405, 22540555, 31556777, 157783885]

約数ペア:

[(1, 157783885), (5, 31556777), (7, 22540555), (17, 9281405), (19, 8304415), (35, 4508111), (85, 1856281), (95, 1660883), (119, 1325915), (133, 1186345), (289, 545965), (323, 488495), (595, 265183), (665, 237269), (821, 192185), (1445, 109193), (1615, 97699), (2023, 77995), (2261, 69785), (4105, 38437), (5491, 28735), (5747, 27455), (10115, 15599), (11305, 13957)]