39977686

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1204

約数の個数: 32

約数和(自身を含む): 71442432

約数和(自身を除く): 31464746

約数列:

[1, 2, 7, 14, 37, 71, 74, 142, 259, 497, 518, 994, 1087, 2174, 2627, 5254, 7609, 15218, 18389, 36778, 40219, 77177, 80438, 154354, 281533, 540239, 563066, 1080478, 2855549, 5711098, 19988843, 39977686]

約数ペア:

[(1, 39977686), (2, 19988843), (7, 5711098), (14, 2855549), (37, 1080478), (71, 563066), (74, 540239), (142, 281533), (259, 154354), (497, 80438), (518, 77177), (994, 40219), (1087, 36778), (2174, 18389), (2627, 15218), (5254, 7609)]