198316748

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 402937920

約数和(自身を除く): 204621172

約数列:

[1, 2, 4, 7, 14, 28, 157, 197, 229, 314, 394, 458, 628, 788, 916, 1099, 1379, 1603, 2198, 2758, 3206, 4396, 5516, 6412, 30929, 35953, 45113, 61858, 71906, 90226, 123716, 143812, 180452, 216503, 251671, 315791, 433006, 503342, 631582, 866012, 1006684, 1263164, 7082741, 14165482, 28330964, 49579187, 99158374, 198316748]

約数ペア:

[(1, 198316748), (2, 99158374), (4, 49579187), (7, 28330964), (14, 14165482), (28, 7082741), (157, 1263164), (197, 1006684), (229, 866012), (314, 631582), (394, 503342), (458, 433006), (628, 315791), (788, 251671), (916, 216503), (1099, 180452), (1379, 143812), (1603, 123716), (2198, 90226), (2758, 71906), (3206, 61858), (4396, 45113), (5516, 35953), (6412, 30929)]