138399128

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1627}}^1$

素因数の和:1685

約数の個数: 64

約数和(自身を含む): 312576000

約数和(自身を除く): 174176872

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 343, 392, 434, 686, 868, 1372, 1519, 1627, 1736, 2744, 3038, 3254, 6076, 6508, 10633, 11389, 12152, 13016, 21266, 22778, 42532, 45556, 50437, 79723, 85064, 91112, 100874, 159446, 201748, 318892, 353059, 403496, 558061, 637784, 706118, 1116122, 1412236, 2232244, 2471413, 2824472, 4464488, 4942826, 9885652, 17299891, 19771304, 34599782, 69199564, 138399128]

約数ペア:

[(1, 138399128), (2, 69199564), (4, 34599782), (7, 19771304), (8, 17299891), (14, 9885652), (28, 4942826), (31, 4464488), (49, 2824472), (56, 2471413), (62, 2232244), (98, 1412236), (124, 1116122), (196, 706118), (217, 637784), (248, 558061), (343, 403496), (392, 353059), (434, 318892), (686, 201748), (868, 159446), (1372, 100874), (1519, 91112), (1627, 85064), (1736, 79723), (2744, 50437), (3038, 45556), (3254, 42532), (6076, 22778), (6508, 21266), (10633, 13016), (11389, 12152)]