26961805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 36465408

約数和(自身を除く): 9503603

約数列:

[1, 5, 13, 41, 65, 67, 151, 205, 335, 533, 755, 871, 1963, 2665, 2747, 4355, 6191, 9815, 10117, 13735, 30955, 35711, 50585, 80483, 131521, 178555, 402415, 414797, 657605, 2073985, 5392361, 26961805]

約数ペア:

[(1, 26961805), (5, 5392361), (13, 2073985), (41, 657605), (65, 414797), (67, 402415), (151, 178555), (205, 131521), (335, 80483), (533, 50585), (755, 35711), (871, 30955), (1963, 13735), (2665, 10117), (2747, 9815), (4355, 6191)]