661400641

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{613}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 750963752

約数和(自身を除く): 89563111

約数列:

[1, 11, 37, 121, 241, 407, 613, 2651, 4477, 6743, 8917, 22681, 29161, 74173, 98087, 147733, 249491, 1078957, 1625063, 2744401, 5466121, 17875693, 60127331, 661400641]

約数ペア:

[(1, 661400641), (11, 60127331), (37, 17875693), (121, 5466121), (241, 2744401), (407, 1625063), (613, 1078957), (2651, 249491), (4477, 147733), (6743, 98087), (8917, 74173), (22681, 29161)]