2021998804

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{40961}}^1$

素因数の和:41056

約数の個数: 48

約数和(自身を含む): 4239075456

約数和(自身を除く): 2217076652

約数列:

[1, 2, 4, 7, 14, 28, 41, 43, 82, 86, 164, 172, 287, 301, 574, 602, 1148, 1204, 1763, 3526, 7052, 12341, 24682, 40961, 49364, 81922, 163844, 286727, 573454, 1146908, 1679401, 1761323, 3358802, 3522646, 6717604, 7045292, 11755807, 12329261, 23511614, 24658522, 47023228, 49317044, 72214243, 144428486, 288856972, 505499701, 1010999402, 2021998804]

約数ペア:

[(1, 2021998804), (2, 1010999402), (4, 505499701), (7, 288856972), (14, 144428486), (28, 72214243), (41, 49317044), (43, 47023228), (82, 24658522), (86, 23511614), (164, 12329261), (172, 11755807), (287, 7045292), (301, 6717604), (574, 3522646), (602, 3358802), (1148, 1761323), (1204, 1679401), (1763, 1146908), (3526, 573454), (7052, 286727), (12341, 163844), (24682, 81922), (40961, 49364)]