281125832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{19447}}^1$

素因数の和:19605

約数の個数: 32

約数和(自身を含む): 571771200

約数和(自身を除く): 290645368

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 3614, 7228, 14456, 19447, 38894, 77788, 155576, 252811, 505622, 1011244, 2022488, 2703133, 5406266, 10812532, 21625064, 35140729, 70281458, 140562916, 281125832]

約数ペア:

[(1, 281125832), (2, 140562916), (4, 70281458), (8, 35140729), (13, 21625064), (26, 10812532), (52, 5406266), (104, 2703133), (139, 2022488), (278, 1011244), (556, 505622), (1112, 252811), (1807, 155576), (3614, 77788), (7228, 38894), (14456, 19447)]