26600015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 36427776

約数和(自身を除く): 9827761

約数列:

[1, 5, 13, 31, 43, 65, 155, 215, 307, 403, 559, 1333, 1535, 2015, 2795, 3991, 6665, 9517, 13201, 17329, 19955, 47585, 66005, 86645, 123721, 171613, 409231, 618605, 858065, 2046155, 5320003, 26600015]

約数ペア:

[(1, 26600015), (5, 5320003), (13, 2046155), (31, 858065), (43, 618605), (65, 409231), (155, 171613), (215, 123721), (307, 86645), (403, 66005), (559, 47585), (1333, 19955), (1535, 17329), (2015, 13201), (2795, 9517), (3991, 6665)]