28101970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1913}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 54985392

約数和(自身を除く): 26883422

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1469, 1913, 2938, 3826, 7345, 9565, 14690, 19130, 24869, 49738, 124345, 216169, 248690, 432338, 1080845, 2161690, 2810197, 5620394, 14050985, 28101970]

約数ペア:

[(1, 28101970), (2, 14050985), (5, 5620394), (10, 2810197), (13, 2161690), (26, 1080845), (65, 432338), (113, 248690), (130, 216169), (226, 124345), (565, 49738), (1130, 24869), (1469, 19130), (1913, 14690), (2938, 9565), (3826, 7345)]