28756826

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 54554472

約数和(自身を除く): 25797646

約数列:

[1, 2, 7, 14, 17, 34, 41, 49, 82, 98, 119, 238, 287, 421, 574, 697, 833, 842, 1394, 1666, 2009, 2947, 4018, 4879, 5894, 7157, 9758, 14314, 17261, 20629, 34153, 34522, 41258, 50099, 68306, 100198, 120827, 241654, 293437, 350693, 586874, 701386, 845789, 1691578, 2054059, 4108118, 14378413, 28756826]

約数ペア:

[(1, 28756826), (2, 14378413), (7, 4108118), (14, 2054059), (17, 1691578), (34, 845789), (41, 701386), (49, 586874), (82, 350693), (98, 293437), (119, 241654), (238, 120827), (287, 100198), (421, 68306), (574, 50099), (697, 41258), (833, 34522), (842, 34153), (1394, 20629), (1666, 17261), (2009, 14314), (2947, 9758), (4018, 7157), (4879, 5894)]