158991010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3671}}^1$

素因数の和:3810

約数の個数: 32

約数和(自身を含む): 295052544

約数和(自身を除く): 136061534

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 3671, 4331, 7342, 8662, 18355, 21655, 36710, 43310, 223931, 260641, 447862, 521282, 1119655, 1303205, 2239310, 2606410, 15899101, 31798202, 79495505, 158991010]

約数ペア:

[(1, 158991010), (2, 79495505), (5, 31798202), (10, 15899101), (61, 2606410), (71, 2239310), (122, 1303205), (142, 1119655), (305, 521282), (355, 447862), (610, 260641), (710, 223931), (3671, 43310), (4331, 36710), (7342, 21655), (8662, 18355)]