261333472

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2011}}^1$

素因数の和:2183

約数の個数: 48

約数和(自身を含む): 535417344

約数和(自身を除く): 274083872

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 131, 248, 262, 496, 524, 992, 1048, 2011, 2096, 4022, 4061, 4192, 8044, 8122, 16088, 16244, 32176, 32488, 62341, 64352, 64976, 124682, 129952, 249364, 263441, 498728, 526882, 997456, 1053764, 1994912, 2107528, 4215056, 8166671, 8430112, 16333342, 32666684, 65333368, 130666736, 261333472]

約数ペア:

[(1, 261333472), (2, 130666736), (4, 65333368), (8, 32666684), (16, 16333342), (31, 8430112), (32, 8166671), (62, 4215056), (124, 2107528), (131, 1994912), (248, 1053764), (262, 997456), (496, 526882), (524, 498728), (992, 263441), (1048, 249364), (2011, 129952), (2096, 124682), (4022, 64976), (4061, 64352), (4192, 62341), (8044, 32488), (8122, 32176), (16088, 16244)]