289065512

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{1361}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 549158400

約数和(自身を除く): 260092888

約数列:

[1, 2, 4, 8, 139, 191, 278, 382, 556, 764, 1112, 1361, 1528, 2722, 5444, 10888, 26549, 53098, 106196, 189179, 212392, 259951, 378358, 519902, 756716, 1039804, 1513432, 2079608, 36133189, 72266378, 144532756, 289065512]

約数ペア:

[(1, 289065512), (2, 144532756), (4, 72266378), (8, 36133189), (139, 2079608), (191, 1513432), (278, 1039804), (382, 756716), (556, 519902), (764, 378358), (1112, 259951), (1361, 212392), (1528, 189179), (2722, 106196), (5444, 53098), (10888, 26549)]