319641868

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2247

約数の個数: 72

約数和(自身を含む): 714900480

約数和(自身を除く): 395258612

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 2179, 2366, 2821, 4358, 4732, 5239, 5642, 8716, 10478, 11284, 15253, 20956, 28327, 30506, 36673, 56654, 61012, 67549, 73346, 113308, 135098, 146692, 198289, 270196, 368251, 396578, 472843, 736502, 793156, 878137, 945686, 1473004, 1756274, 1891372, 2577757, 3512548, 5155514, 6146959, 10311028, 11415781, 12293918, 22831562, 24587836, 45663124, 79910467, 159820934, 319641868]

約数ペア:

[(1, 319641868), (2, 159820934), (4, 79910467), (7, 45663124), (13, 24587836), (14, 22831562), (26, 12293918), (28, 11415781), (31, 10311028), (52, 6146959), (62, 5155514), (91, 3512548), (124, 2577757), (169, 1891372), (182, 1756274), (217, 1473004), (338, 945686), (364, 878137), (403, 793156), (434, 736502), (676, 472843), (806, 396578), (868, 368251), (1183, 270196), (1612, 198289), (2179, 146692), (2366, 135098), (2821, 113308), (4358, 73346), (4732, 67549), (5239, 61012), (5642, 56654), (8716, 36673), (10478, 30506), (11284, 28327), (15253, 20956)]