1999679916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:1079

約数の個数: 96

約数和(自身を含む): 5119206400

約数和(自身を除く): 3119526484

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 156, 158, 211, 237, 316, 422, 474, 633, 769, 844, 948, 1027, 1266, 1538, 2054, 2307, 2532, 2743, 3076, 3081, 4108, 4614, 5486, 6162, 8229, 9228, 9997, 10972, 12324, 16458, 16669, 19994, 29991, 32916, 33338, 39988, 50007, 59982, 60751, 66676, 100014, 119964, 121502, 162259, 182253, 200028, 216697, 243004, 324518, 364506, 433394, 486777, 649036, 650091, 729012, 789763, 866788, 973554, 1300182, 1579526, 1947108, 2109367, 2369289, 2600364, 3159052, 4218734, 4738578, 6328101, 8437468, 9477156, 12656202, 12818461, 25312404, 25636922, 38455383, 51273844, 76910766, 153821532, 166639993, 333279986, 499919979, 666559972, 999839958, 1999679916]

約数ペア:

[(1, 1999679916), (2, 999839958), (3, 666559972), (4, 499919979), (6, 333279986), (12, 166639993), (13, 153821532), (26, 76910766), (39, 51273844), (52, 38455383), (78, 25636922), (79, 25312404), (156, 12818461), (158, 12656202), (211, 9477156), (237, 8437468), (316, 6328101), (422, 4738578), (474, 4218734), (633, 3159052), (769, 2600364), (844, 2369289), (948, 2109367), (1027, 1947108), (1266, 1579526), (1538, 1300182), (2054, 973554), (2307, 866788), (2532, 789763), (2743, 729012), (3076, 650091), (3081, 649036), (4108, 486777), (4614, 433394), (5486, 364506), (6162, 324518), (8229, 243004), (9228, 216697), (9997, 200028), (10972, 182253), (12324, 162259), (16458, 121502), (16669, 119964), (19994, 100014), (29991, 66676), (32916, 60751), (33338, 59982), (39988, 50007)]