840578974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{142907}}^1$

素因数の和:143099

約数の個数: 16

約数和(自身を含む): 1342763568

約数和(自身を除く): 502184594

約数列:

[1, 2, 17, 34, 173, 346, 2941, 5882, 142907, 285814, 2429419, 4858838, 24722911, 49445822, 420289487, 840578974]

約数ペア:

[(1, 840578974), (2, 420289487), (17, 49445822), (34, 24722911), (173, 4858838), (346, 2429419), (2941, 285814), (5882, 142907)]