161143456

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2765

約数の個数: 48

約数和(自身を含む): 332978688

約数和(自身を除く): 171835232

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 122, 124, 244, 248, 488, 496, 976, 992, 1891, 1952, 2663, 3782, 5326, 7564, 10652, 15128, 21304, 30256, 42608, 60512, 82553, 85216, 162443, 165106, 324886, 330212, 649772, 660424, 1299544, 1320848, 2599088, 2641696, 5035733, 5198176, 10071466, 20142932, 40285864, 80571728, 161143456]

約数ペア:

[(1, 161143456), (2, 80571728), (4, 40285864), (8, 20142932), (16, 10071466), (31, 5198176), (32, 5035733), (61, 2641696), (62, 2599088), (122, 1320848), (124, 1299544), (244, 660424), (248, 649772), (488, 330212), (496, 324886), (976, 165106), (992, 162443), (1891, 85216), (1952, 82553), (2663, 60512), (3782, 42608), (5326, 30256), (7564, 21304), (10652, 15128)]