320804536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1213}}^1\times {\mathrm{2543}}^1$

素因数の和:3775

約数の個数: 32

約数和(自身を含む): 648567360

約数和(自身を除く): 327762824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1213, 2426, 2543, 4852, 5086, 9704, 10172, 15769, 20344, 31538, 33059, 63076, 66118, 126152, 132236, 264472, 3084659, 6169318, 12338636, 24677272, 40100567, 80201134, 160402268, 320804536]

約数ペア:

[(1, 320804536), (2, 160402268), (4, 80201134), (8, 40100567), (13, 24677272), (26, 12338636), (52, 6169318), (104, 3084659), (1213, 264472), (2426, 132236), (2543, 126152), (4852, 66118), (5086, 63076), (9704, 33059), (10172, 31538), (15769, 20344)]