2163955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 2801664

約数和(自身を除く): 637709

約数列:

[1, 5, 23, 31, 115, 155, 607, 713, 3035, 3565, 13961, 18817, 69805, 94085, 432791, 2163955]

約数ペア:

[(1, 2163955), (5, 432791), (23, 94085), (31, 69805), (115, 18817), (155, 13961), (607, 3565), (713, 3035)]