2018717675

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{15413}}^1$

素因数の和:15480

約数の個数: 36

約数和(自身を含む): 2798195904

約数和(自身を除く): 779478229

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 775, 845, 2015, 4225, 5239, 10075, 15413, 26195, 77065, 130975, 200369, 385325, 477803, 1001845, 2389015, 2604797, 5009225, 6211439, 11945075, 13023985, 31057195, 65119925, 80748707, 155285975, 403743535, 2018717675]

約数ペア:

[(1, 2018717675), (5, 403743535), (13, 155285975), (25, 80748707), (31, 65119925), (65, 31057195), (155, 13023985), (169, 11945075), (325, 6211439), (403, 5009225), (775, 2604797), (845, 2389015), (2015, 1001845), (4225, 477803), (5239, 385325), (10075, 200369), (15413, 130975), (26195, 77065)]