28207284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19753}}^1$

素因数の和:19784

約数の個数: 48

約数和(自身を含む): 79648128

約数和(自身を除く): 51440844

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 19753, 39506, 59259, 79012, 118518, 138271, 237036, 276542, 335801, 414813, 553084, 671602, 829626, 1007403, 1343204, 1659252, 2014806, 2350607, 4029612, 4701214, 7051821, 9402428, 14103642, 28207284]

約数ペア:

[(1, 28207284), (2, 14103642), (3, 9402428), (4, 7051821), (6, 4701214), (7, 4029612), (12, 2350607), (14, 2014806), (17, 1659252), (21, 1343204), (28, 1007403), (34, 829626), (42, 671602), (51, 553084), (68, 414813), (84, 335801), (102, 276542), (119, 237036), (204, 138271), (238, 118518), (357, 79012), (476, 59259), (714, 39506), (1428, 19753)]