40138378

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{907}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 71913600

約数和(自身を除く): 31775222

約数列:

[1, 2, 7, 14, 29, 58, 109, 203, 218, 406, 763, 907, 1526, 1814, 3161, 6322, 6349, 12698, 22127, 26303, 44254, 52606, 98863, 184121, 197726, 368242, 692041, 1384082, 2867027, 5734054, 20069189, 40138378]

約数ペア:

[(1, 40138378), (2, 20069189), (7, 5734054), (14, 2867027), (29, 1384082), (58, 692041), (109, 368242), (203, 197726), (218, 184121), (406, 98863), (763, 52606), (907, 44254), (1526, 26303), (1814, 22127), (3161, 12698), (6322, 6349)]