55879915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 83091456

約数和(自身を除く): 27211541

約数列:

[1, 5, 7, 13, 35, 65, 91, 191, 455, 643, 955, 1337, 2483, 3215, 4501, 6685, 8359, 12415, 17381, 22505, 41795, 58513, 86905, 122813, 292565, 614065, 859691, 1596569, 4298455, 7982845, 11175983, 55879915]

約数ペア:

[(1, 55879915), (5, 11175983), (7, 7982845), (13, 4298455), (35, 1596569), (65, 859691), (91, 614065), (191, 292565), (455, 122813), (643, 86905), (955, 58513), (1337, 41795), (2483, 22505), (3215, 17381), (4501, 12415), (6685, 8359)]