257018768

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{2713}}^1$

素因数の和:2943

約数の個数: 40

約数和(自身を含む): 516919296

約数和(自身を除く): 259900528

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 191, 248, 382, 496, 764, 1528, 2713, 3056, 5426, 5921, 10852, 11842, 21704, 23684, 43408, 47368, 84103, 94736, 168206, 336412, 518183, 672824, 1036366, 1345648, 2072732, 4145464, 8290928, 16063673, 32127346, 64254692, 128509384, 257018768]

約数ペア:

[(1, 257018768), (2, 128509384), (4, 64254692), (8, 32127346), (16, 16063673), (31, 8290928), (62, 4145464), (124, 2072732), (191, 1345648), (248, 1036366), (382, 672824), (496, 518183), (764, 336412), (1528, 168206), (2713, 94736), (3056, 84103), (5426, 47368), (5921, 43408), (10852, 23684), (11842, 21704)]