285137372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 547921920

約数和(自身を除く): 262784548

約数列:

[1, 2, 4, 13, 26, 52, 103, 139, 206, 278, 383, 412, 556, 766, 1339, 1532, 1807, 2678, 3614, 4979, 5356, 7228, 9958, 14317, 19916, 28634, 39449, 53237, 57268, 78898, 106474, 157796, 186121, 212948, 372242, 512837, 692081, 744484, 1025674, 1384162, 2051348, 2768324, 5483411, 10966822, 21933644, 71284343, 142568686, 285137372]

約数ペア:

[(1, 285137372), (2, 142568686), (4, 71284343), (13, 21933644), (26, 10966822), (52, 5483411), (103, 2768324), (139, 2051348), (206, 1384162), (278, 1025674), (383, 744484), (412, 692081), (556, 512837), (766, 372242), (1339, 212948), (1532, 186121), (1807, 157796), (2678, 106474), (3614, 78898), (4979, 57268), (5356, 53237), (7228, 39449), (9958, 28634), (14317, 19916)]