85631728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 206542336

約数和(自身を除く): 120910608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 103, 104, 112, 182, 206, 208, 364, 412, 571, 721, 728, 824, 1142, 1339, 1442, 1456, 1648, 2284, 2678, 2884, 3997, 4568, 5356, 5768, 7423, 7994, 9136, 9373, 10712, 11536, 14846, 15988, 18746, 21424, 29692, 31976, 37492, 51961, 58813, 59384, 63952, 74984, 103922, 117626, 118768, 149968, 207844, 235252, 411691, 415688, 470504, 764569, 823382, 831376, 941008, 1529138, 1646764, 3058276, 3293528, 5351983, 6116552, 6587056, 10703966, 12233104, 21407932, 42815864, 85631728]

約数ペア:

[(1, 85631728), (2, 42815864), (4, 21407932), (7, 12233104), (8, 10703966), (13, 6587056), (14, 6116552), (16, 5351983), (26, 3293528), (28, 3058276), (52, 1646764), (56, 1529138), (91, 941008), (103, 831376), (104, 823382), (112, 764569), (182, 470504), (206, 415688), (208, 411691), (364, 235252), (412, 207844), (571, 149968), (721, 118768), (728, 117626), (824, 103922), (1142, 74984), (1339, 63952), (1442, 59384), (1456, 58813), (1648, 51961), (2284, 37492), (2678, 31976), (2884, 29692), (3997, 21424), (4568, 18746), (5356, 15988), (5768, 14846), (7423, 11536), (7994, 10712), (9136, 9373)]