212972012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{15269}}^1$

素因数の和:15601

約数の個数: 24

約数和(自身を含む): 407892240

約数和(自身を除く): 194920228

約数列:

[1, 2, 4, 11, 22, 44, 317, 634, 1268, 3487, 6974, 13948, 15269, 30538, 61076, 167959, 335918, 671836, 4840273, 9680546, 19361092, 53243003, 106486006, 212972012]

約数ペア:

[(1, 212972012), (2, 106486006), (4, 53243003), (11, 19361092), (22, 9680546), (44, 4840273), (317, 671836), (634, 335918), (1268, 167959), (3487, 61076), (6974, 30538), (13948, 15269)]