279874218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1651

約数の個数: 64

約数和(自身を含む): 639959040

約数和(自身を除く): 360084822

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 127, 247, 254, 381, 494, 741, 762, 1482, 1487, 1651, 2413, 2974, 3302, 4461, 4826, 4953, 7239, 8922, 9906, 14478, 19331, 28253, 31369, 38662, 56506, 57993, 62738, 84759, 94107, 115986, 169518, 188214, 188849, 367289, 377698, 566547, 734578, 1101867, 1133094, 2203734, 2455037, 3588131, 4910074, 7176262, 7365111, 10764393, 14730222, 21528786, 46645703, 93291406, 139937109, 279874218]

約数ペア:

[(1, 279874218), (2, 139937109), (3, 93291406), (6, 46645703), (13, 21528786), (19, 14730222), (26, 10764393), (38, 7365111), (39, 7176262), (57, 4910074), (78, 3588131), (114, 2455037), (127, 2203734), (247, 1133094), (254, 1101867), (381, 734578), (494, 566547), (741, 377698), (762, 367289), (1482, 188849), (1487, 188214), (1651, 169518), (2413, 115986), (2974, 94107), (3302, 84759), (4461, 62738), (4826, 57993), (4953, 56506), (7239, 38662), (8922, 31369), (9906, 28253), (14478, 19331)]