1308889688

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{2791}}^1$

素因数の和:2920

約数の個数: 48

約数和(自身を含む): 2578384080

約数和(自身を除く): 1269494392

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 961, 1891, 1922, 2791, 3782, 3844, 5582, 7564, 7688, 11164, 15128, 22328, 58621, 86521, 117242, 170251, 173042, 234484, 340502, 346084, 468968, 681004, 692168, 1362008, 2682151, 5277781, 5364302, 10555562, 10728604, 21111124, 21457208, 42222248, 163611211, 327222422, 654444844, 1308889688]

約数ペア:

[(1, 1308889688), (2, 654444844), (4, 327222422), (8, 163611211), (31, 42222248), (61, 21457208), (62, 21111124), (122, 10728604), (124, 10555562), (244, 5364302), (248, 5277781), (488, 2682151), (961, 1362008), (1891, 692168), (1922, 681004), (2791, 468968), (3782, 346084), (3844, 340502), (5582, 234484), (7564, 173042), (7688, 170251), (11164, 117242), (15128, 86521), (22328, 58621)]