681480524

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1979}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 1317254400

約数和(自身を除く): 635773876

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 197, 394, 437, 788, 874, 1748, 1979, 3743, 3958, 4531, 7486, 7916, 9062, 14972, 18124, 37601, 45517, 75202, 86089, 91034, 150404, 172178, 182068, 344356, 389863, 779726, 864823, 1559452, 1729646, 3459292, 7407397, 8966849, 14814794, 17933698, 29629588, 35867396, 170370131, 340740262, 681480524]

約数ペア:

[(1, 681480524), (2, 340740262), (4, 170370131), (19, 35867396), (23, 29629588), (38, 17933698), (46, 14814794), (76, 8966849), (92, 7407397), (197, 3459292), (394, 1729646), (437, 1559452), (788, 864823), (874, 779726), (1748, 389863), (1979, 344356), (3743, 182068), (3958, 172178), (4531, 150404), (7486, 91034), (7916, 86089), (9062, 75202), (14972, 45517), (18124, 37601)]