397968956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 898867200

約数和(自身を除く): 500898244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 43, 44, 77, 86, 151, 154, 172, 199, 301, 302, 308, 398, 473, 602, 604, 796, 946, 1057, 1204, 1393, 1661, 1892, 2114, 2189, 2786, 3311, 3322, 4228, 4378, 5572, 6493, 6622, 6644, 8557, 8756, 11627, 12986, 13244, 15323, 17114, 23254, 25972, 30049, 30646, 34228, 45451, 46508, 59899, 60098, 61292, 71423, 90902, 94127, 119798, 120196, 142846, 181804, 188254, 210343, 239596, 285692, 330539, 376508, 420686, 499961, 658889, 661078, 841372, 999922, 1292107, 1317778, 1322156, 1999844, 2313773, 2584214, 2635556, 4627546, 5168428, 9044749, 9255092, 14213177, 18089498, 28426354, 36178996, 56852708, 99492239, 198984478, 397968956]

約数ペア:

[(1, 397968956), (2, 198984478), (4, 99492239), (7, 56852708), (11, 36178996), (14, 28426354), (22, 18089498), (28, 14213177), (43, 9255092), (44, 9044749), (77, 5168428), (86, 4627546), (151, 2635556), (154, 2584214), (172, 2313773), (199, 1999844), (301, 1322156), (302, 1317778), (308, 1292107), (398, 999922), (473, 841372), (602, 661078), (604, 658889), (796, 499961), (946, 420686), (1057, 376508), (1204, 330539), (1393, 285692), (1661, 239596), (1892, 210343), (2114, 188254), (2189, 181804), (2786, 142846), (3311, 120196), (3322, 119798), (4228, 94127), (4378, 90902), (5572, 71423), (6493, 61292), (6622, 60098), (6644, 59899), (8557, 46508), (8756, 45451), (11627, 34228), (12986, 30646), (13244, 30049), (15323, 25972), (17114, 23254)]