388724816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{19483}}^1$

素因数の和:19563

約数の個数: 40

約数和(自身を含む): 797285280

約数和(自身を除く): 408560464

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 2494, 4988, 9976, 19483, 19952, 38966, 77932, 155864, 311728, 565007, 837769, 1130014, 1675538, 2260028, 3351076, 4520056, 6702152, 9040112, 13404304, 24295301, 48590602, 97181204, 194362408, 388724816]

約数ペア:

[(1, 388724816), (2, 194362408), (4, 97181204), (8, 48590602), (16, 24295301), (29, 13404304), (43, 9040112), (58, 6702152), (86, 4520056), (116, 3351076), (172, 2260028), (232, 1675538), (344, 1130014), (464, 837769), (688, 565007), (1247, 311728), (2494, 155864), (4988, 77932), (9976, 38966), (19483, 19952)]