39898736

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 80363904

約数和(自身を除く): 40465168

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 257, 313, 496, 514, 626, 1028, 1252, 2056, 2504, 4112, 5008, 7967, 9703, 15934, 19406, 31868, 38812, 63736, 77624, 80441, 127472, 155248, 160882, 321764, 643528, 1287056, 2493671, 4987342, 9974684, 19949368, 39898736]

約数ペア:

[(1, 39898736), (2, 19949368), (4, 9974684), (8, 4987342), (16, 2493671), (31, 1287056), (62, 643528), (124, 321764), (248, 160882), (257, 155248), (313, 127472), (496, 80441), (514, 77624), (626, 63736), (1028, 38812), (1252, 31868), (2056, 19406), (2504, 15934), (4112, 9703), (5008, 7967)]