1291214821

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 1612154880

約数和(自身を除く): 320940059

約数列:

[1, 13, 17, 29, 31, 67, 97, 221, 377, 403, 493, 527, 871, 899, 1139, 1261, 1649, 1943, 2077, 2813, 3007, 6409, 6499, 6851, 11687, 14807, 15283, 21437, 25259, 27001, 33031, 35309, 36569, 39091, 47821, 51119, 60233, 84487, 87203, 110483, 188471, 198679, 201469, 429403, 459017, 621673, 664547, 783029, 1023961, 1133639, 1436279, 1482451, 2450123, 2619097, 3204007, 3424973, 5842601, 13311493, 19271863, 41652091, 44524649, 75953813, 99324217, 1291214821]

約数ペア:

[(1, 1291214821), (13, 99324217), (17, 75953813), (29, 44524649), (31, 41652091), (67, 19271863), (97, 13311493), (221, 5842601), (377, 3424973), (403, 3204007), (493, 2619097), (527, 2450123), (871, 1482451), (899, 1436279), (1139, 1133639), (1261, 1023961), (1649, 783029), (1943, 664547), (2077, 621673), (2813, 459017), (3007, 429403), (6409, 201469), (6499, 198679), (6851, 188471), (11687, 110483), (14807, 87203), (15283, 84487), (21437, 60233), (25259, 51119), (27001, 47821), (33031, 39091), (35309, 36569)]