28751338

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 55404000

約数和(自身を除く): 26652662

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 149, 154, 179, 298, 358, 539, 1043, 1078, 1253, 1639, 1969, 2086, 2506, 3278, 3938, 7301, 8771, 11473, 13783, 14602, 17542, 22946, 26671, 27566, 53342, 80311, 96481, 160622, 186697, 192962, 293381, 373394, 586762, 1306879, 2053667, 2613758, 4107334, 14375669, 28751338]

約数ペア:

[(1, 28751338), (2, 14375669), (7, 4107334), (11, 2613758), (14, 2053667), (22, 1306879), (49, 586762), (77, 373394), (98, 293381), (149, 192962), (154, 186697), (179, 160622), (298, 96481), (358, 80311), (539, 53342), (1043, 27566), (1078, 26671), (1253, 22946), (1639, 17542), (1969, 14602), (2086, 13783), (2506, 11473), (3278, 8771), (3938, 7301)]