145312895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 215429760

約数和(自身を除く): 70116865

約数列:

[1, 5, 7, 13, 35, 65, 91, 389, 455, 821, 1945, 2723, 4105, 5057, 5747, 10673, 13615, 25285, 28735, 35399, 53365, 74711, 176995, 319369, 373555, 1596845, 2235583, 4151797, 11177915, 20758985, 29062579, 145312895]

約数ペア:

[(1, 145312895), (5, 29062579), (7, 20758985), (13, 11177915), (35, 4151797), (65, 2235583), (91, 1596845), (389, 373555), (455, 319369), (821, 176995), (1945, 74711), (2723, 53365), (4105, 35399), (5057, 28735), (5747, 25285), (10673, 13615)]