1288502726

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20903}}^1$

素因数の和:20973

約数の個数: 48

約数和(自身を含む): 2445015456

約数和(自身を除く): 1156512730

約数列:

[1, 2, 7, 14, 17, 34, 37, 49, 74, 98, 119, 238, 259, 518, 629, 833, 1258, 1666, 1813, 3626, 4403, 8806, 20903, 30821, 41806, 61642, 146321, 292642, 355351, 710702, 773411, 1024247, 1546822, 2048494, 2487457, 4974914, 5413877, 10827754, 13147987, 17412199, 26295974, 34824398, 37897139, 75794278, 92035909, 184071818, 644251363, 1288502726]

約数ペア:

[(1, 1288502726), (2, 644251363), (7, 184071818), (14, 92035909), (17, 75794278), (34, 37897139), (37, 34824398), (49, 26295974), (74, 17412199), (98, 13147987), (119, 10827754), (238, 5413877), (259, 4974914), (518, 2487457), (629, 2048494), (833, 1546822), (1258, 1024247), (1666, 773411), (1813, 710702), (3626, 355351), (4403, 292642), (8806, 146321), (20903, 61642), (30821, 41806)]