161356816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{1423}}^1$

素因数の和:1823

約数の個数: 40

約数和(自身を含む): 330197120

約数和(自身を除く): 168840304

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 373, 746, 1423, 1492, 2846, 2984, 5692, 5968, 7087, 11384, 14174, 22768, 27037, 28348, 54074, 56696, 108148, 113392, 216296, 432592, 530779, 1061558, 2123116, 4246232, 8492464, 10084801, 20169602, 40339204, 80678408, 161356816]

約数ペア:

[(1, 161356816), (2, 80678408), (4, 40339204), (8, 20169602), (16, 10084801), (19, 8492464), (38, 4246232), (76, 2123116), (152, 1061558), (304, 530779), (373, 432592), (746, 216296), (1423, 113392), (1492, 108148), (2846, 56696), (2984, 54074), (5692, 28348), (5968, 27037), (7087, 22768), (11384, 14174)]