28372729

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2473}}^1$

素因数の和:2640

約数の個数: 16

約数和(自身を含む): 35625600

約数和(自身を除く): 7252871

約数列:

[1, 7, 11, 77, 149, 1043, 1639, 2473, 11473, 17311, 27203, 190421, 368477, 2579339, 4053247, 28372729]

約数ペア:

[(1, 28372729), (7, 4053247), (11, 2579339), (77, 368477), (149, 190421), (1043, 27203), (1639, 17311), (2473, 11473)]