7861975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 11280528

約数和(自身を除く): 3418553

約数列:

[1, 5, 11, 23, 25, 55, 113, 115, 121, 253, 275, 565, 575, 605, 1243, 1265, 2599, 2783, 2825, 3025, 6215, 6325, 12995, 13673, 13915, 28589, 31075, 64975, 68365, 69575, 142945, 314479, 341825, 714725, 1572395, 7861975]

約数ペア:

[(1, 7861975), (5, 1572395), (11, 714725), (23, 341825), (25, 314479), (55, 142945), (113, 69575), (115, 68365), (121, 64975), (253, 31075), (275, 28589), (565, 13915), (575, 13673), (605, 12995), (1243, 6325), (1265, 6215), (2599, 3025), (2783, 2825)]