28371174

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 35495706

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 71, 78, 94, 109, 141, 142, 213, 218, 282, 327, 426, 611, 654, 923, 1222, 1417, 1833, 1846, 2769, 2834, 3337, 3666, 4251, 5123, 5538, 6674, 7739, 8502, 10011, 10246, 15369, 15478, 20022, 23217, 30738, 43381, 46434, 66599, 86762, 100607, 130143, 133198, 199797, 201214, 260286, 301821, 363733, 399594, 603642, 727466, 1091199, 2182398, 4728529, 9457058, 14185587, 28371174]

約数ペア:

[(1, 28371174), (2, 14185587), (3, 9457058), (6, 4728529), (13, 2182398), (26, 1091199), (39, 727466), (47, 603642), (71, 399594), (78, 363733), (94, 301821), (109, 260286), (141, 201214), (142, 199797), (213, 133198), (218, 130143), (282, 100607), (327, 86762), (426, 66599), (611, 46434), (654, 43381), (923, 30738), (1222, 23217), (1417, 20022), (1833, 15478), (1846, 15369), (2769, 10246), (2834, 10011), (3337, 8502), (3666, 7739), (4251, 6674), (5123, 5538)]