438366370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{17117}}^1$

素因数の和:17334

約数の個数: 32

約数和(自身を含む): 854119728

約数和(自身を除く): 415753358

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2561, 5122, 12805, 17117, 25610, 34234, 85585, 171170, 222521, 445042, 1112605, 2225210, 3372049, 6744098, 16860245, 33720490, 43836637, 87673274, 219183185, 438366370]

約数ペア:

[(1, 438366370), (2, 219183185), (5, 87673274), (10, 43836637), (13, 33720490), (26, 16860245), (65, 6744098), (130, 3372049), (197, 2225210), (394, 1112605), (985, 445042), (1970, 222521), (2561, 171170), (5122, 85585), (12805, 34234), (17117, 25610)]