28003822

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 55240704

約数和(自身を除く): 27236882

約数列:

[1, 2, 7, 11, 14, 22, 47, 53, 73, 77, 94, 106, 146, 154, 329, 371, 511, 517, 583, 658, 742, 803, 1022, 1034, 1166, 1606, 2491, 3431, 3619, 3869, 4081, 4982, 5621, 6862, 7238, 7738, 8162, 11242, 17437, 24017, 27083, 27401, 34874, 37741, 42559, 48034, 54166, 54802, 75482, 85118, 181843, 191807, 264187, 297913, 363686, 383614, 528374, 595826, 1272901, 2000273, 2545802, 4000546, 14001911, 28003822]

約数ペア:

[(1, 28003822), (2, 14001911), (7, 4000546), (11, 2545802), (14, 2000273), (22, 1272901), (47, 595826), (53, 528374), (73, 383614), (77, 363686), (94, 297913), (106, 264187), (146, 191807), (154, 181843), (329, 85118), (371, 75482), (511, 54802), (517, 54166), (583, 48034), (658, 42559), (742, 37741), (803, 34874), (1022, 27401), (1034, 27083), (1166, 24017), (1606, 17437), (2491, 11242), (3431, 8162), (3619, 7738), (3869, 7238), (4081, 6862), (4982, 5621)]