191288890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{39769}}^1$

素因数の和:39826

約数の個数: 32

約数和(自身を含む): 380837520

約数和(自身を除く): 189548630

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 39769, 79538, 198845, 397690, 516997, 1033994, 1471453, 2584985, 2942906, 5169970, 7357265, 14714530, 19128889, 38257778, 95644445, 191288890]

約数ペア:

[(1, 191288890), (2, 95644445), (5, 38257778), (10, 19128889), (13, 14714530), (26, 7357265), (37, 5169970), (65, 2942906), (74, 2584985), (130, 1471453), (185, 1033994), (370, 516997), (481, 397690), (962, 198845), (2405, 79538), (4810, 39769)]