78882258

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20639}}^1$

素因数の和:20671

約数の個数: 48

約数和(自身を含む): 197648640

約数和(自身を除く): 118766382

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 20639, 41278, 61917, 123834, 144473, 268307, 288946, 433419, 536614, 804921, 866838, 1011311, 1609842, 1878149, 2022622, 3033933, 3756298, 5634447, 6067866, 11268894, 13147043, 26294086, 39441129, 78882258]

約数ペア:

[(1, 78882258), (2, 39441129), (3, 26294086), (6, 13147043), (7, 11268894), (13, 6067866), (14, 5634447), (21, 3756298), (26, 3033933), (39, 2022622), (42, 1878149), (49, 1609842), (78, 1011311), (91, 866838), (98, 804921), (147, 536614), (182, 433419), (273, 288946), (294, 268307), (546, 144473), (637, 123834), (1274, 61917), (1911, 41278), (3822, 20639)]