221924118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 493903872

約数和(自身を除く): 271979754

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 127, 129, 254, 258, 381, 521, 559, 762, 1042, 1118, 1563, 1651, 1677, 3126, 3302, 3354, 4953, 5461, 6773, 9906, 10922, 13546, 16383, 20319, 22403, 32766, 40638, 44806, 66167, 67209, 70993, 132334, 134418, 141986, 198501, 212979, 291239, 397002, 425958, 582478, 860171, 873717, 1720342, 1747434, 2580513, 2845181, 5161026, 5690362, 8535543, 17071086, 36987353, 73974706, 110962059, 221924118]

約数ペア:

[(1, 221924118), (2, 110962059), (3, 73974706), (6, 36987353), (13, 17071086), (26, 8535543), (39, 5690362), (43, 5161026), (78, 2845181), (86, 2580513), (127, 1747434), (129, 1720342), (254, 873717), (258, 860171), (381, 582478), (521, 425958), (559, 397002), (762, 291239), (1042, 212979), (1118, 198501), (1563, 141986), (1651, 134418), (1677, 132334), (3126, 70993), (3302, 67209), (3354, 66167), (4953, 44806), (5461, 40638), (6773, 32766), (9906, 22403), (10922, 20319), (13546, 16383)]