28010268

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5441}}^1$

素因数の和:5475

約数の個数: 72

約数和(自身を含む): 83197296

約数和(自身を除く): 55187028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 5441, 10882, 16323, 21764, 32646, 48969, 59851, 65292, 70733, 97938, 119702, 141466, 179553, 195876, 212199, 239404, 282932, 359106, 424398, 538659, 636597, 718212, 778063, 848796, 1077318, 1273194, 1556126, 2154636, 2334189, 2546388, 3112252, 4668378, 7002567, 9336756, 14005134, 28010268]

約数ペア:

[(1, 28010268), (2, 14005134), (3, 9336756), (4, 7002567), (6, 4668378), (9, 3112252), (11, 2546388), (12, 2334189), (13, 2154636), (18, 1556126), (22, 1273194), (26, 1077318), (33, 848796), (36, 778063), (39, 718212), (44, 636597), (52, 538659), (66, 424398), (78, 359106), (99, 282932), (117, 239404), (132, 212199), (143, 195876), (156, 179553), (198, 141466), (234, 119702), (286, 97938), (396, 70733), (429, 65292), (468, 59851), (572, 48969), (858, 32646), (1287, 21764), (1716, 16323), (2574, 10882), (5148, 5441)]