28180490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{907}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 54915840

約数和(自身を除く): 26735350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239, 478, 907, 1195, 1814, 2390, 3107, 4535, 6214, 9070, 11791, 15535, 23582, 31070, 58955, 117910, 216773, 433546, 1083865, 2167730, 2818049, 5636098, 14090245, 28180490]

約数ペア:

[(1, 28180490), (2, 14090245), (5, 5636098), (10, 2818049), (13, 2167730), (26, 1083865), (65, 433546), (130, 216773), (239, 117910), (478, 58955), (907, 31070), (1195, 23582), (1814, 15535), (2390, 11791), (3107, 9070), (4535, 6214)]