30728054

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{349}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 55776000

約数和(自身を除く): 25047946

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 331, 349, 662, 698, 2317, 2443, 4634, 4886, 6289, 6631, 12578, 13262, 44023, 46417, 88046, 92834, 115519, 231038, 808633, 1617266, 2194861, 4389722, 15364027, 30728054]

約数ペア:

[(1, 30728054), (2, 15364027), (7, 4389722), (14, 2194861), (19, 1617266), (38, 808633), (133, 231038), (266, 115519), (331, 92834), (349, 88046), (662, 46417), (698, 44023), (2317, 13262), (2443, 12578), (4634, 6631), (4886, 6289)]