2019970225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{12163}}^1$

素因数の和:12266

約数の個数: 48

約数和(自身を含む): 3125272192

約数和(自身を除く): 1105301967

約数列:

[1, 5, 7, 13, 25, 35, 65, 73, 91, 175, 325, 365, 455, 511, 949, 1825, 2275, 2555, 4745, 6643, 12163, 12775, 23725, 33215, 60815, 85141, 158119, 166075, 304075, 425705, 790595, 887899, 1106833, 2128525, 3952975, 4439495, 5534165, 6215293, 11542687, 22197475, 27670825, 31076465, 57713435, 80798809, 155382325, 288567175, 403994045, 2019970225]

約数ペア:

[(1, 2019970225), (5, 403994045), (7, 288567175), (13, 155382325), (25, 80798809), (35, 57713435), (65, 31076465), (73, 27670825), (91, 22197475), (175, 11542687), (325, 6215293), (365, 5534165), (455, 4439495), (511, 3952975), (949, 2128525), (1825, 1106833), (2275, 887899), (2555, 790595), (4745, 425705), (6643, 304075), (12163, 166075), (12775, 158119), (23725, 85141), (33215, 60815)]