208974274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1321}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 346469760

約数和(自身を除く): 137495486

約数列:

[1, 2, 19, 23, 38, 46, 181, 362, 437, 874, 1321, 2642, 3439, 4163, 6878, 8326, 25099, 30383, 50198, 60766, 79097, 158194, 239101, 478202, 577277, 1154554, 4542919, 5499323, 9085838, 10998646, 104487137, 208974274]

約数ペア:

[(1, 208974274), (2, 104487137), (19, 10998646), (23, 9085838), (38, 5499323), (46, 4542919), (181, 1154554), (362, 577277), (437, 478202), (874, 239101), (1321, 158194), (2642, 79097), (3439, 60766), (4163, 50198), (6878, 30383), (8326, 25099)]