397776398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{53051}}^1$

素因数の和:53239

約数の個数: 16

約数和(自身を含む): 626438016

約数和(自身を除く): 228661618

約数列:

[1, 2, 23, 46, 163, 326, 3749, 7498, 53051, 106102, 1220173, 2440346, 8647313, 17294626, 198888199, 397776398]

約数ペア:

[(1, 397776398), (2, 198888199), (23, 17294626), (46, 8647313), (163, 2440346), (326, 1220173), (3749, 106102), (7498, 53051)]