489489058

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20479}}^1$

素因数の和:20554

約数の個数: 32

約数和(自身を含む): 840499200

約数和(自身を除く): 351010142

約数列:

[1, 2, 17, 19, 34, 37, 38, 74, 323, 629, 646, 703, 1258, 1406, 11951, 20479, 23902, 40958, 348143, 389101, 696286, 757723, 778202, 1515446, 6614717, 12881291, 13229434, 14396737, 25762582, 28793474, 244744529, 489489058]

約数ペア:

[(1, 489489058), (2, 244744529), (17, 28793474), (19, 25762582), (34, 14396737), (37, 13229434), (38, 12881291), (74, 6614717), (323, 1515446), (629, 778202), (646, 757723), (703, 696286), (1258, 389101), (1406, 348143), (11951, 40958), (20479, 23902)]