401399168

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{165049}}^1$

素因数の和:165082

約数の個数: 32

約数和(自身を含む): 841755000

約数和(自身を除く): 440355832

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 165049, 330098, 660196, 1320392, 2640784, 3135931, 5281568, 6271862, 10563136, 12543724, 21126272, 25087448, 50174896, 100349792, 200699584, 401399168]

約数ペア:

[(1, 401399168), (2, 200699584), (4, 100349792), (8, 50174896), (16, 25087448), (19, 21126272), (32, 12543724), (38, 10563136), (64, 6271862), (76, 5281568), (128, 3135931), (152, 2640784), (304, 1320392), (608, 660196), (1216, 330098), (2432, 165049)]