178879688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{16699}}^1$

素因数の和:16821

約数の個数: 32

約数和(自身を含む): 364728000

約数和(自身を除く): 185848312

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 10712, 16699, 33398, 66796, 133592, 217087, 434174, 868348, 1719997, 1736696, 3439994, 6879988, 13759976, 22359961, 44719922, 89439844, 178879688]

約数ペア:

[(1, 178879688), (2, 89439844), (4, 44719922), (8, 22359961), (13, 13759976), (26, 6879988), (52, 3439994), (103, 1736696), (104, 1719997), (206, 868348), (412, 434174), (824, 217087), (1339, 133592), (2678, 66796), (5356, 33398), (10712, 16699)]