381376764

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1459}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 990072720

約数和(自身を除く): 608695956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 137, 159, 212, 274, 318, 411, 477, 548, 636, 822, 954, 1233, 1459, 1644, 1908, 2466, 2918, 4377, 4932, 5836, 7261, 8754, 13131, 14522, 17508, 21783, 26262, 29044, 43566, 52524, 65349, 77327, 87132, 130698, 154654, 199883, 231981, 261396, 309308, 399766, 463962, 599649, 695943, 799532, 927924, 1199298, 1391886, 1798947, 2398596, 2783772, 3597894, 7195788, 10593799, 21187598, 31781397, 42375196, 63562794, 95344191, 127125588, 190688382, 381376764]

約数ペア:

[(1, 381376764), (2, 190688382), (3, 127125588), (4, 95344191), (6, 63562794), (9, 42375196), (12, 31781397), (18, 21187598), (36, 10593799), (53, 7195788), (106, 3597894), (137, 2783772), (159, 2398596), (212, 1798947), (274, 1391886), (318, 1199298), (411, 927924), (477, 799532), (548, 695943), (636, 599649), (822, 463962), (954, 399766), (1233, 309308), (1459, 261396), (1644, 231981), (1908, 199883), (2466, 154654), (2918, 130698), (4377, 87132), (4932, 77327), (5836, 65349), (7261, 52524), (8754, 43566), (13131, 29044), (14522, 26262), (17508, 21783)]