9888909821

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{28643}}^1$

素因数の和:28761

約数の個数: 32

約数和(自身を含む): 12260548608

約数和(自身を除く): 2371638787

約数列:

[1, 7, 31, 37, 43, 217, 259, 301, 1147, 1333, 1591, 8029, 9331, 11137, 28643, 49321, 200501, 345247, 887933, 1059791, 1231649, 6215531, 7418537, 8621543, 32853521, 38181119, 45571013, 229974647, 267267833, 318997091, 1412701403, 9888909821]

約数ペア:

[(1, 9888909821), (7, 1412701403), (31, 318997091), (37, 267267833), (43, 229974647), (217, 45571013), (259, 38181119), (301, 32853521), (1147, 8621543), (1333, 7418537), (1591, 6215531), (8029, 1231649), (9331, 1059791), (11137, 887933), (28643, 345247), (49321, 200501)]