2005909892

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1\times {\mathrm{1229}}^1$

素因数の和:2132

約数の個数: 48

約数和(自身を含む): 4076593920

約数和(自身を除く): 2070684028

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 821, 994, 1229, 1642, 1988, 2458, 3284, 4916, 5747, 8603, 11494, 17206, 22988, 34412, 58291, 87259, 116582, 174518, 233164, 349036, 408037, 610813, 816074, 1009009, 1221626, 1632148, 2018018, 2443252, 4036036, 7063063, 14126126, 28252252, 71639639, 143279278, 286558556, 501477473, 1002954946, 2005909892]

約数ペア:

[(1, 2005909892), (2, 1002954946), (4, 501477473), (7, 286558556), (14, 143279278), (28, 71639639), (71, 28252252), (142, 14126126), (284, 7063063), (497, 4036036), (821, 2443252), (994, 2018018), (1229, 1632148), (1642, 1221626), (1988, 1009009), (2458, 816074), (3284, 610813), (4916, 408037), (5747, 349036), (8603, 233164), (11494, 174518), (17206, 116582), (22988, 87259), (34412, 58291)]