155291555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 198402048

約数和(自身を除く): 43110493

約数列:

[1, 5, 31, 71, 103, 137, 155, 355, 515, 685, 2201, 3193, 4247, 7313, 9727, 11005, 14111, 15965, 21235, 36565, 48635, 70555, 226703, 301537, 437441, 1001881, 1133515, 1507685, 2187205, 5009405, 31058311, 155291555]

約数ペア:

[(1, 155291555), (5, 31058311), (31, 5009405), (71, 2187205), (103, 1507685), (137, 1133515), (155, 1001881), (355, 437441), (515, 301537), (685, 226703), (2201, 70555), (3193, 48635), (4247, 36565), (7313, 21235), (9727, 15965), (11005, 14111)]