247482872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19997}}^1$

素因数の和:20040

約数の個数: 64

約数和(自身を含む): 604739520

約数和(自身を除く): 357256648

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 3094, 6188, 12376, 19997, 39994, 79988, 139979, 159976, 259961, 279958, 339949, 519922, 559916, 679898, 1039844, 1119832, 1359796, 1819727, 2079688, 2379643, 2719592, 3639454, 4419337, 4759286, 7278908, 8838674, 9518572, 14557816, 17677348, 19037144, 30935359, 35354696, 61870718, 123741436, 247482872]

約数ペア:

[(1, 247482872), (2, 123741436), (4, 61870718), (7, 35354696), (8, 30935359), (13, 19037144), (14, 17677348), (17, 14557816), (26, 9518572), (28, 8838674), (34, 7278908), (52, 4759286), (56, 4419337), (68, 3639454), (91, 2719592), (104, 2379643), (119, 2079688), (136, 1819727), (182, 1359796), (221, 1119832), (238, 1039844), (364, 679898), (442, 559916), (476, 519922), (728, 339949), (884, 279958), (952, 259961), (1547, 159976), (1768, 139979), (3094, 79988), (6188, 39994), (12376, 19997)]