287411690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{12163}}^1$

素因数の和:12326

約数の個数: 32

約数和(自身を含む): 551759040

約数和(自身を除く): 264347350

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 11815, 12163, 23630, 24326, 60815, 121630, 206771, 413542, 1033855, 1690657, 2067710, 3381314, 8453285, 16906570, 28741169, 57482338, 143705845, 287411690]

約数ペア:

[(1, 287411690), (2, 143705845), (5, 57482338), (10, 28741169), (17, 16906570), (34, 8453285), (85, 3381314), (139, 2067710), (170, 1690657), (278, 1033855), (695, 413542), (1390, 206771), (2363, 121630), (4726, 60815), (11815, 24326), (12163, 23630)]