28215710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1831}}^1$

素因数の和:1928

約数の個数: 32

約数和(自身を含む): 53816832

約数和(自身を除く): 25601122

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1541, 1831, 3082, 3662, 7705, 9155, 15410, 18310, 42113, 84226, 122677, 210565, 245354, 421130, 613385, 1226770, 2821571, 5643142, 14107855, 28215710]

約数ペア:

[(1, 28215710), (2, 14107855), (5, 5643142), (10, 2821571), (23, 1226770), (46, 613385), (67, 421130), (115, 245354), (134, 210565), (230, 122677), (335, 84226), (670, 42113), (1541, 18310), (1831, 15410), (3082, 9155), (3662, 7705)]