28009078

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 46886400

約数和(自身を除く): 18877322

約数列:

[1, 2, 19, 23, 38, 46, 73, 146, 437, 439, 874, 878, 1387, 1679, 2774, 3358, 8341, 10097, 16682, 20194, 31901, 32047, 63802, 64094, 191843, 383686, 608893, 737081, 1217786, 1474162, 14004539, 28009078]

約数ペア:

[(1, 28009078), (2, 14004539), (19, 1474162), (23, 1217786), (38, 737081), (46, 608893), (73, 383686), (146, 191843), (437, 64094), (439, 63802), (874, 32047), (878, 31901), (1387, 20194), (1679, 16682), (2774, 10097), (3358, 8341)]