81591398

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{342821}}^1$

素因数の和:342847

約数の個数: 16

約数和(自身を含む): 148099104

約数和(自身を除く): 66507706

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 342821, 685642, 2399747, 4799494, 5827957, 11655914, 40795699, 81591398]

約数ペア:

[(1, 81591398), (2, 40795699), (7, 11655914), (14, 5827957), (17, 4799494), (34, 2399747), (119, 685642), (238, 342821)]