388978885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{40039}}^1$

素因数の和:40140

約数の個数: 16

約数和(自身を含む): 490089600

約数和(自身を除く): 101110715

約数列:

[1, 5, 29, 67, 145, 335, 1943, 9715, 40039, 200195, 1161131, 2682613, 5805655, 13413065, 77795777, 388978885]

約数ペア:

[(1, 388978885), (5, 77795777), (29, 13413065), (67, 5805655), (145, 2682613), (335, 1161131), (1943, 200195), (9715, 40039)]