421609916

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{491}}^1$

素因数の和:859

約数の個数: 72

約数和(自身を含む): 928929456

約数和(自身を除く): 507319540

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 337, 364, 491, 637, 674, 982, 1274, 1348, 1964, 2359, 2548, 3437, 4381, 4718, 6383, 6874, 8762, 9436, 12766, 13748, 16513, 17524, 24059, 25532, 30667, 33026, 44681, 48118, 61334, 66052, 89362, 96236, 122668, 165467, 178724, 214669, 312767, 330934, 429338, 625534, 661868, 858676, 1158269, 1251068, 2151071, 2316538, 4302142, 4633076, 8107883, 8604284, 15057497, 16215766, 30114994, 32431532, 60229988, 105402479, 210804958, 421609916]

約数ペア:

[(1, 421609916), (2, 210804958), (4, 105402479), (7, 60229988), (13, 32431532), (14, 30114994), (26, 16215766), (28, 15057497), (49, 8604284), (52, 8107883), (91, 4633076), (98, 4302142), (182, 2316538), (196, 2151071), (337, 1251068), (364, 1158269), (491, 858676), (637, 661868), (674, 625534), (982, 429338), (1274, 330934), (1348, 312767), (1964, 214669), (2359, 178724), (2548, 165467), (3437, 122668), (4381, 96236), (4718, 89362), (6383, 66052), (6874, 61334), (8762, 48118), (9436, 44681), (12766, 33026), (13748, 30667), (16513, 25532), (17524, 24059)]