201391690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{1831}}^1$

素因数の和:2502

約数の個数: 32

約数和(自身を含む): 384632064

約数和(自身を除く): 183240374

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 647, 1294, 1831, 3235, 3662, 6470, 9155, 10999, 18310, 21998, 31127, 54995, 62254, 109990, 155635, 311270, 1184657, 2369314, 5923285, 11846570, 20139169, 40278338, 100695845, 201391690]

約数ペア:

[(1, 201391690), (2, 100695845), (5, 40278338), (10, 20139169), (17, 11846570), (34, 5923285), (85, 2369314), (170, 1184657), (647, 311270), (1294, 155635), (1831, 109990), (3235, 62254), (3662, 54995), (6470, 31127), (9155, 21998), (10999, 18310)]