287680001

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 358318080

約数和(自身を除く): 70638079

約数列:

[1, 7, 17, 71, 79, 119, 431, 497, 553, 1207, 1343, 3017, 5609, 7327, 8449, 9401, 30601, 34049, 39263, 51289, 95353, 214207, 238343, 520217, 578833, 667471, 2417479, 3641519, 4051831, 16922353, 41097143, 287680001]

約数ペア:

[(1, 287680001), (7, 41097143), (17, 16922353), (71, 4051831), (79, 3641519), (119, 2417479), (431, 667471), (497, 578833), (553, 520217), (1207, 238343), (1343, 214207), (3017, 95353), (5609, 51289), (7327, 39263), (8449, 34049), (9401, 30601)]