28471079

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 37330944

約数和(自身を除く): 8859865

約数列:

[1, 7, 13, 23, 61, 91, 161, 223, 299, 427, 793, 1403, 1561, 2093, 2899, 5129, 5551, 9821, 13603, 18239, 20293, 35903, 66677, 95221, 127673, 176839, 312869, 466739, 1237873, 2190083, 4067297, 28471079]

約数ペア:

[(1, 28471079), (7, 4067297), (13, 2190083), (23, 1237873), (61, 466739), (91, 312869), (161, 176839), (223, 127673), (299, 95221), (427, 66677), (793, 35903), (1403, 20293), (1561, 18239), (2093, 13603), (2899, 9821), (5129, 5551)]