25317652

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 36

約数和(自身を含む): 47525940

約数和(自身を除く): 22208288

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 197, 356, 361, 394, 722, 788, 1444, 1691, 3382, 3743, 6764, 7486, 14972, 17533, 32129, 35066, 64258, 70132, 71117, 128516, 142234, 284468, 333127, 666254, 1332508, 6329413, 12658826, 25317652]

約数ペア:

[(1, 25317652), (2, 12658826), (4, 6329413), (19, 1332508), (38, 666254), (76, 333127), (89, 284468), (178, 142234), (197, 128516), (356, 71117), (361, 70132), (394, 64258), (722, 35066), (788, 32129), (1444, 17533), (1691, 14972), (3382, 7486), (3743, 6764)]