2018390025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{38611}}^1$

素因数の和:38682

約数の個数: 48

約数和(自身を含む): 3619643328

約数和(自身を除く): 1601253303

約数列:

[1, 3, 5, 15, 17, 25, 41, 51, 75, 85, 123, 205, 255, 425, 615, 697, 1025, 1275, 2091, 3075, 3485, 10455, 17425, 38611, 52275, 115833, 193055, 579165, 656387, 965275, 1583051, 1969161, 2895825, 3281935, 4749153, 7915255, 9845805, 16409675, 23745765, 26911867, 39576275, 49229025, 80735601, 118728825, 134559335, 403678005, 672796675, 2018390025]

約数ペア:

[(1, 2018390025), (3, 672796675), (5, 403678005), (15, 134559335), (17, 118728825), (25, 80735601), (41, 49229025), (51, 39576275), (75, 26911867), (85, 23745765), (123, 16409675), (205, 9845805), (255, 7915255), (425, 4749153), (615, 3281935), (697, 2895825), (1025, 1969161), (1275, 1583051), (2091, 965275), (3075, 656387), (3485, 579165), (10455, 193055), (17425, 115833), (38611, 52275)]