28333990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 52690176

約数和(自身を除く): 24356186

約数列:

[1, 2, 5, 10, 43, 86, 131, 215, 262, 430, 503, 655, 1006, 1310, 2515, 5030, 5633, 11266, 21629, 28165, 43258, 56330, 65893, 108145, 131786, 216290, 329465, 658930, 2833399, 5666798, 14166995, 28333990]

約数ペア:

[(1, 28333990), (2, 14166995), (5, 5666798), (10, 2833399), (43, 658930), (86, 329465), (131, 216290), (215, 131786), (262, 108145), (430, 65893), (503, 56330), (655, 43258), (1006, 28165), (1310, 21629), (2515, 11266), (5030, 5633)]