623804909

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 795949056

約数和(自身を除く): 172144147

約数列:

[1, 7, 13, 31, 91, 217, 397, 403, 557, 2779, 2821, 3899, 5161, 7241, 12307, 17267, 36127, 50687, 86149, 120869, 159991, 221129, 224471, 1119937, 1547903, 1571297, 2874677, 6854999, 20122739, 47984993, 89114987, 623804909]

約数ペア:

[(1, 623804909), (7, 89114987), (13, 47984993), (31, 20122739), (91, 6854999), (217, 2874677), (397, 1571297), (403, 1547903), (557, 1119937), (2779, 224471), (2821, 221129), (3899, 159991), (5161, 120869), (7241, 86149), (12307, 50687), (17267, 36127)]