228407907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 391716864

約数和(自身を除く): 163308957

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 137, 197, 217, 273, 403, 411, 591, 651, 959, 1209, 1379, 1781, 2561, 2821, 2877, 4137, 4247, 5343, 6107, 7683, 8463, 12467, 12741, 17927, 18321, 26989, 29729, 37401, 42749, 53781, 55211, 79391, 80967, 89187, 128247, 165633, 188923, 238173, 350857, 386477, 555737, 566769, 836659, 1052571, 1159431, 1667211, 2455999, 2509977, 5856613, 7367997, 10876567, 17569839, 32629701, 76135969, 228407907]

約数ペア:

[(1, 228407907), (3, 76135969), (7, 32629701), (13, 17569839), (21, 10876567), (31, 7367997), (39, 5856613), (91, 2509977), (93, 2455999), (137, 1667211), (197, 1159431), (217, 1052571), (273, 836659), (403, 566769), (411, 555737), (591, 386477), (651, 350857), (959, 238173), (1209, 188923), (1379, 165633), (1781, 128247), (2561, 89187), (2821, 80967), (2877, 79391), (4137, 55211), (4247, 53781), (5343, 42749), (6107, 37401), (7683, 29729), (8463, 26989), (12467, 18321), (12741, 17927)]