81217228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{29131}}^1$

素因数の和:29193

約数の個数: 24

約数和(自身を含む): 154166544

約数和(自身を除く): 72949316

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 697, 1394, 2788, 29131, 58262, 116524, 495227, 990454, 1194371, 1980908, 2388742, 4777484, 20304307, 40608614, 81217228]

約数ペア:

[(1, 81217228), (2, 40608614), (4, 20304307), (17, 4777484), (34, 2388742), (41, 1980908), (68, 1194371), (82, 990454), (164, 495227), (697, 116524), (1394, 58262), (2788, 29131)]