257788788

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{683}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 612251136

約数和(自身を除く): 354462348

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 443, 683, 852, 886, 1329, 1366, 1772, 2049, 2658, 2732, 4098, 5316, 8196, 31453, 48493, 62906, 94359, 96986, 125812, 145479, 188718, 193972, 290958, 302569, 377436, 581916, 605138, 907707, 1210276, 1815414, 3630828, 21482399, 42964798, 64447197, 85929596, 128894394, 257788788]

約数ペア:

[(1, 257788788), (2, 128894394), (3, 85929596), (4, 64447197), (6, 42964798), (12, 21482399), (71, 3630828), (142, 1815414), (213, 1210276), (284, 907707), (426, 605138), (443, 581916), (683, 377436), (852, 302569), (886, 290958), (1329, 193972), (1366, 188718), (1772, 145479), (2049, 125812), (2658, 96986), (2732, 94359), (4098, 62906), (5316, 48493), (8196, 31453)]