258647012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{571}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 505849344

約数和(自身を除く): 247202332

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 281, 403, 562, 571, 806, 1124, 1142, 1612, 2284, 3653, 7306, 7423, 8711, 14612, 14846, 17422, 17701, 29692, 34844, 35402, 70804, 113243, 160451, 226486, 230113, 320902, 452972, 460226, 641804, 920452, 2085863, 4171726, 4973981, 8343452, 9947962, 19895924, 64661753, 129323506, 258647012]

約数ペア:

[(1, 258647012), (2, 129323506), (4, 64661753), (13, 19895924), (26, 9947962), (31, 8343452), (52, 4973981), (62, 4171726), (124, 2085863), (281, 920452), (403, 641804), (562, 460226), (571, 452972), (806, 320902), (1124, 230113), (1142, 226486), (1612, 160451), (2284, 113243), (3653, 70804), (7306, 35402), (7423, 34844), (8711, 29692), (14612, 17701), (14846, 17422)]