28940634

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 64864800

約数和(自身を除く): 35924166

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 139, 258, 269, 278, 387, 417, 538, 774, 807, 834, 1251, 1614, 2421, 2502, 4842, 5977, 11567, 11954, 17931, 23134, 34701, 35862, 37391, 53793, 69402, 74782, 104103, 107586, 112173, 208206, 224346, 336519, 673038, 1607813, 3215626, 4823439, 9646878, 14470317, 28940634]

約数ペア:

[(1, 28940634), (2, 14470317), (3, 9646878), (6, 4823439), (9, 3215626), (18, 1607813), (43, 673038), (86, 336519), (129, 224346), (139, 208206), (258, 112173), (269, 107586), (278, 104103), (387, 74782), (417, 69402), (538, 53793), (774, 37391), (807, 35862), (834, 34701), (1251, 23134), (1614, 17931), (2421, 11954), (2502, 11567), (4842, 5977)]