198519010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1\times {\mathrm{647}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 364476672

約数和(自身を除く): 165957662

約数列:

[1, 2, 5, 10, 61, 122, 305, 503, 610, 647, 1006, 1294, 2515, 3235, 5030, 6470, 30683, 39467, 61366, 78934, 153415, 197335, 306830, 325441, 394670, 650882, 1627205, 3254410, 19851901, 39703802, 99259505, 198519010]

約数ペア:

[(1, 198519010), (2, 99259505), (5, 39703802), (10, 19851901), (61, 3254410), (122, 1627205), (305, 650882), (503, 394670), (610, 325441), (647, 306830), (1006, 197335), (1294, 153415), (2515, 78934), (3235, 61366), (5030, 39467), (6470, 30683)]