28951356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{929}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 80151120

約数和(自身を除く): 51199764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 636, 742, 929, 1113, 1484, 1858, 2226, 2597, 2787, 3716, 4452, 5194, 5574, 6503, 7791, 10388, 11148, 13006, 15582, 19509, 26012, 31164, 39018, 45521, 49237, 78036, 91042, 98474, 136563, 147711, 182084, 196948, 273126, 295422, 344659, 546252, 590844, 689318, 1033977, 1378636, 2067954, 2412613, 4135908, 4825226, 7237839, 9650452, 14475678, 28951356]

約数ペア:

[(1, 28951356), (2, 14475678), (3, 9650452), (4, 7237839), (6, 4825226), (7, 4135908), (12, 2412613), (14, 2067954), (21, 1378636), (28, 1033977), (42, 689318), (49, 590844), (53, 546252), (84, 344659), (98, 295422), (106, 273126), (147, 196948), (159, 182084), (196, 147711), (212, 136563), (294, 98474), (318, 91042), (371, 78036), (588, 49237), (636, 45521), (742, 39018), (929, 31164), (1113, 26012), (1484, 19509), (1858, 15582), (2226, 13006), (2597, 11148), (2787, 10388), (3716, 7791), (4452, 6503), (5194, 5574)]