398807168

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{39439}}^1$

素因数の和:39532

約数の個数: 32

約数和(自身を含む): 804576000

約数和(自身を除く): 405768832

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2528, 5056, 10112, 39439, 78878, 157756, 315512, 631024, 1262048, 2524096, 3115681, 5048192, 6231362, 12462724, 24925448, 49850896, 99701792, 199403584, 398807168]

約数ペア:

[(1, 398807168), (2, 199403584), (4, 99701792), (8, 49850896), (16, 24925448), (32, 12462724), (64, 6231362), (79, 5048192), (128, 3115681), (158, 2524096), (316, 1262048), (632, 631024), (1264, 315512), (2528, 157756), (5056, 78878), (10112, 39439)]