158722015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^2$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 201771648

約数和(自身を除く): 43049633

約数列:

[1, 5, 31, 53, 139, 155, 265, 695, 1643, 4309, 7367, 8215, 19321, 21545, 36835, 96605, 228377, 598951, 1024013, 1141885, 2994755, 5120065, 31744403, 158722015]

約数ペア:

[(1, 158722015), (5, 31744403), (31, 5120065), (53, 2994755), (139, 1141885), (155, 1024013), (265, 598951), (695, 228377), (1643, 96605), (4309, 36835), (7367, 21545), (8215, 19321)]