28139630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2192

約数の個数: 32

約数和(自身を含む): 53526528

約数和(自身を除く): 25386898

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2111, 2666, 4222, 6665, 10555, 13330, 21110, 65441, 90773, 130882, 181546, 327205, 453865, 654410, 907730, 2813963, 5627926, 14069815, 28139630]

約数ペア:

[(1, 28139630), (2, 14069815), (5, 5627926), (10, 2813963), (31, 907730), (43, 654410), (62, 453865), (86, 327205), (155, 181546), (215, 130882), (310, 90773), (430, 65441), (1333, 21110), (2111, 13330), (2666, 10555), (4222, 6665)]