80851316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 174894720

約数和(自身を除く): 94043404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 389, 571, 778, 1142, 1556, 2284, 2723, 3997, 5057, 5446, 7423, 7994, 10114, 10892, 14846, 15988, 20228, 29692, 35399, 51961, 70798, 103922, 141596, 207844, 222119, 444238, 888476, 1554833, 2887547, 3109666, 5775094, 6219332, 11550188, 20212829, 40425658, 80851316]

約数ペア:

[(1, 80851316), (2, 40425658), (4, 20212829), (7, 11550188), (13, 6219332), (14, 5775094), (26, 3109666), (28, 2887547), (52, 1554833), (91, 888476), (182, 444238), (364, 222119), (389, 207844), (571, 141596), (778, 103922), (1142, 70798), (1556, 51961), (2284, 35399), (2723, 29692), (3997, 20228), (5057, 15988), (5446, 14846), (7423, 10892), (7994, 10114)]