201901388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 395136000

約数和(自身を除く): 193234612

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 251, 403, 499, 502, 806, 998, 1004, 1612, 1996, 3263, 6487, 6526, 7781, 12974, 13052, 15469, 15562, 25948, 30938, 31124, 61876, 101153, 125249, 201097, 202306, 250498, 402194, 404612, 500996, 804388, 1628237, 3256474, 3882719, 6512948, 7765438, 15530876, 50475347, 100950694, 201901388]

約数ペア:

[(1, 201901388), (2, 100950694), (4, 50475347), (13, 15530876), (26, 7765438), (31, 6512948), (52, 3882719), (62, 3256474), (124, 1628237), (251, 804388), (403, 500996), (499, 404612), (502, 402194), (806, 250498), (998, 202306), (1004, 201097), (1612, 125249), (1996, 101153), (3263, 61876), (6487, 31124), (6526, 30938), (7781, 25948), (12974, 15562), (13052, 15469)]