261410376

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{178559}}^1$

素因数の和:178629

約数の個数: 32

約数和(自身を含む): 664243200

約数和(自身を除く): 402832824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 178559, 357118, 535677, 714236, 1071354, 1428472, 2142708, 4285416, 10892099, 21784198, 32676297, 43568396, 65352594, 87136792, 130705188, 261410376]

約数ペア:

[(1, 261410376), (2, 130705188), (3, 87136792), (4, 65352594), (6, 43568396), (8, 32676297), (12, 21784198), (24, 10892099), (61, 4285416), (122, 2142708), (183, 1428472), (244, 1071354), (366, 714236), (488, 535677), (732, 357118), (1464, 178559)]