261831312001

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{827}}^1\times {\mathrm{47963}}^1$

素因数の和:48861

約数の個数: 32

約数和(自身を含む): 320255244288

約数和(自身を除く): 58423932287

約数列:

[1, 7, 23, 41, 161, 287, 827, 943, 5789, 6601, 19021, 33907, 47963, 133147, 237349, 335741, 779861, 1103149, 1966483, 5459027, 7722043, 13765381, 39665401, 45229109, 277657807, 316603763, 912304223, 1626281441, 6386129561, 11383970087, 37404473143, 261831312001]

約数ペア:

[(1, 261831312001), (7, 37404473143), (23, 11383970087), (41, 6386129561), (161, 1626281441), (287, 912304223), (827, 316603763), (943, 277657807), (5789, 45229109), (6601, 39665401), (19021, 13765381), (33907, 7722043), (47963, 5459027), (133147, 1966483), (237349, 1103149), (335741, 779861)]