2019785313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{857}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 3390266880

約数和(自身を除く): 1370481567

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 97, 267, 273, 291, 623, 679, 857, 1157, 1261, 1869, 2037, 2571, 3471, 3783, 5999, 8099, 8633, 8827, 11141, 17997, 24297, 25899, 26481, 33423, 60431, 76273, 77987, 83129, 112229, 181293, 228819, 233961, 249387, 336687, 533911, 581903, 785603, 991549, 1080677, 1601733, 1745709, 2356809, 2974647, 3242031, 6940843, 7398481, 7564739, 20822529, 22195443, 22694217, 51789367, 96180253, 155368101, 288540759, 673261771, 2019785313]

約数ペア:

[(1, 2019785313), (3, 673261771), (7, 288540759), (13, 155368101), (21, 96180253), (39, 51789367), (89, 22694217), (91, 22195443), (97, 20822529), (267, 7564739), (273, 7398481), (291, 6940843), (623, 3242031), (679, 2974647), (857, 2356809), (1157, 1745709), (1261, 1601733), (1869, 1080677), (2037, 991549), (2571, 785603), (3471, 581903), (3783, 533911), (5999, 336687), (8099, 249387), (8633, 233961), (8827, 228819), (11141, 181293), (17997, 112229), (24297, 83129), (25899, 77987), (26481, 76273), (33423, 60431)]