127781906576

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1\times {\mathrm{1907}}^1$

素因数の和:3132

約数の個数: 80

約数和(自身を含む): 262162863360

約数和(自身を除く): 134380956784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 227, 304, 454, 908, 971, 1816, 1907, 1942, 3632, 3814, 3884, 4313, 7628, 7768, 8626, 15256, 15536, 17252, 18449, 30512, 34504, 36233, 36898, 69008, 72466, 73796, 144932, 147592, 220417, 289864, 295184, 432889, 440834, 579728, 865778, 881668, 1731556, 1763336, 1851697, 3463112, 3526672, 3703394, 4187923, 6926224, 7406788, 8224891, 8375846, 14813576, 16449782, 16751692, 29627152, 32899564, 33503384, 35182243, 65799128, 67006768, 70364486, 131598256, 140728972, 281457944, 420335219, 562915888, 840670438, 1681340876, 3362681752, 6725363504, 7986369161, 15972738322, 31945476644, 63890953288, 127781906576]

約数ペア:

[(1, 127781906576), (2, 63890953288), (4, 31945476644), (8, 15972738322), (16, 7986369161), (19, 6725363504), (38, 3362681752), (76, 1681340876), (152, 840670438), (227, 562915888), (304, 420335219), (454, 281457944), (908, 140728972), (971, 131598256), (1816, 70364486), (1907, 67006768), (1942, 65799128), (3632, 35182243), (3814, 33503384), (3884, 32899564), (4313, 29627152), (7628, 16751692), (7768, 16449782), (8626, 14813576), (15256, 8375846), (15536, 8224891), (17252, 7406788), (18449, 6926224), (30512, 4187923), (34504, 3703394), (36233, 3526672), (36898, 3463112), (69008, 1851697), (72466, 1763336), (73796, 1731556), (144932, 881668), (147592, 865778), (220417, 579728), (289864, 440834), (295184, 432889)]