278320378

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{5801}}^1$

素因数の和:5982

約数の個数: 32

約数和(自身を含む): 501292800

約数和(自身を除く): 222972422

約数列:

[1, 2, 7, 14, 23, 46, 149, 161, 298, 322, 1043, 2086, 3427, 5801, 6854, 11602, 23989, 40607, 47978, 81214, 133423, 266846, 864349, 933961, 1728698, 1867922, 6050443, 12100886, 19880027, 39760054, 139160189, 278320378]

約数ペア:

[(1, 278320378), (2, 139160189), (7, 39760054), (14, 19880027), (23, 12100886), (46, 6050443), (149, 1867922), (161, 1728698), (298, 933961), (322, 864349), (1043, 266846), (2086, 133423), (3427, 81214), (5801, 47978), (6854, 40607), (11602, 23989)]