399868696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 821573280

約数和(自身を除く): 421704584

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 101, 136, 172, 202, 344, 404, 677, 731, 808, 1354, 1462, 1717, 2708, 2924, 3434, 4343, 5416, 5848, 6868, 8686, 11509, 13736, 17372, 23018, 29111, 34744, 46036, 58222, 68377, 73831, 92072, 116444, 136754, 147662, 232888, 273508, 295324, 494887, 547016, 590648, 989774, 1162409, 1979548, 2324818, 2940211, 3959096, 4649636, 5880422, 9299272, 11760844, 23521688, 49983587, 99967174, 199934348, 399868696]

約数ペア:

[(1, 399868696), (2, 199934348), (4, 99967174), (8, 49983587), (17, 23521688), (34, 11760844), (43, 9299272), (68, 5880422), (86, 4649636), (101, 3959096), (136, 2940211), (172, 2324818), (202, 1979548), (344, 1162409), (404, 989774), (677, 590648), (731, 547016), (808, 494887), (1354, 295324), (1462, 273508), (1717, 232888), (2708, 147662), (2924, 136754), (3434, 116444), (4343, 92072), (5416, 73831), (5848, 68377), (6868, 58222), (8686, 46036), (11509, 34744), (13736, 29111), (17372, 23018)]