28219212

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 84492800

約数和(自身を除く): 56273588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 163, 189, 229, 252, 326, 378, 458, 489, 652, 687, 756, 916, 978, 1141, 1374, 1467, 1603, 1956, 2061, 2282, 2748, 2934, 3206, 3423, 4122, 4401, 4564, 4809, 5868, 6183, 6412, 6846, 8244, 8802, 9618, 10269, 12366, 13692, 14427, 17604, 19236, 20538, 24732, 28854, 30807, 37327, 41076, 43281, 57708, 61614, 74654, 86562, 111981, 123228, 149308, 173124, 223962, 261289, 335943, 447924, 522578, 671886, 783867, 1007829, 1045156, 1343772, 1567734, 2015658, 2351601, 3135468, 4031316, 4703202, 7054803, 9406404, 14109606, 28219212]

約数ペア:

[(1, 28219212), (2, 14109606), (3, 9406404), (4, 7054803), (6, 4703202), (7, 4031316), (9, 3135468), (12, 2351601), (14, 2015658), (18, 1567734), (21, 1343772), (27, 1045156), (28, 1007829), (36, 783867), (42, 671886), (54, 522578), (63, 447924), (84, 335943), (108, 261289), (126, 223962), (163, 173124), (189, 149308), (229, 123228), (252, 111981), (326, 86562), (378, 74654), (458, 61614), (489, 57708), (652, 43281), (687, 41076), (756, 37327), (916, 30807), (978, 28854), (1141, 24732), (1374, 20538), (1467, 19236), (1603, 17604), (1956, 14427), (2061, 13692), (2282, 12366), (2748, 10269), (2934, 9618), (3206, 8802), (3423, 8244), (4122, 6846), (4401, 6412), (4564, 6183), (4809, 5868)]