1999739976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{20219}}^1$

素因数の和:20558

約数の個数: 64

約数和(自身を含む): 5401166400

約数和(自身を除く): 3401426424

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 317, 634, 951, 1268, 1902, 2536, 3804, 4121, 7608, 8242, 12363, 16484, 20219, 24726, 32968, 40438, 49452, 60657, 80876, 98904, 121314, 161752, 242628, 262847, 485256, 525694, 788541, 1051388, 1577082, 2102776, 3154164, 6308328, 6409423, 12818846, 19228269, 25637692, 38456538, 51275384, 76913076, 83322499, 153826152, 166644998, 249967497, 333289996, 499934994, 666579992, 999869988, 1999739976]

約数ペア:

[(1, 1999739976), (2, 999869988), (3, 666579992), (4, 499934994), (6, 333289996), (8, 249967497), (12, 166644998), (13, 153826152), (24, 83322499), (26, 76913076), (39, 51275384), (52, 38456538), (78, 25637692), (104, 19228269), (156, 12818846), (312, 6409423), (317, 6308328), (634, 3154164), (951, 2102776), (1268, 1577082), (1902, 1051388), (2536, 788541), (3804, 525694), (4121, 485256), (7608, 262847), (8242, 242628), (12363, 161752), (16484, 121314), (20219, 98904), (24726, 80876), (32968, 60657), (40438, 49452)]