2578312165

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 3729124224

約数和(自身を除く): 1150812059

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 151, 167, 169, 605, 715, 755, 835, 845, 1573, 1661, 1837, 1859, 1963, 2171, 7865, 8305, 9185, 9295, 9815, 10855, 18271, 20207, 20449, 21593, 23881, 25217, 25519, 28223, 91355, 101035, 102245, 107965, 119405, 126085, 127595, 141115, 237523, 262691, 277387, 280709, 310453, 327821, 1187615, 1313455, 1386935, 1403545, 1552265, 1639105, 3051257, 3087799, 3414983, 3606031, 4261673, 15256285, 15438995, 17074915, 18030155, 21308365, 39666341, 46878403, 198331705, 234392015, 515662433, 2578312165]

約数ペア:

[(1, 2578312165), (5, 515662433), (11, 234392015), (13, 198331705), (55, 46878403), (65, 39666341), (121, 21308365), (143, 18030155), (151, 17074915), (167, 15438995), (169, 15256285), (605, 4261673), (715, 3606031), (755, 3414983), (835, 3087799), (845, 3051257), (1573, 1639105), (1661, 1552265), (1837, 1403545), (1859, 1386935), (1963, 1313455), (2171, 1187615), (7865, 327821), (8305, 310453), (9185, 280709), (9295, 277387), (9815, 262691), (10855, 237523), (18271, 141115), (20207, 127595), (20449, 126085), (21593, 119405), (23881, 107965), (25217, 102245), (25519, 101035), (28223, 91355)]