81715842

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2549}}^1$

素因数の和:2707

約数の個数: 48

約数和(自身を含む): 192137400

約数和(自身を除く): 110421558

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 137, 234, 274, 411, 822, 1233, 1781, 2466, 2549, 3562, 5098, 5343, 7647, 10686, 15294, 16029, 22941, 32058, 33137, 45882, 66274, 99411, 198822, 298233, 349213, 596466, 698426, 1047639, 2095278, 3142917, 4539769, 6285834, 9079538, 13619307, 27238614, 40857921, 81715842]

約数ペア:

[(1, 81715842), (2, 40857921), (3, 27238614), (6, 13619307), (9, 9079538), (13, 6285834), (18, 4539769), (26, 3142917), (39, 2095278), (78, 1047639), (117, 698426), (137, 596466), (234, 349213), (274, 298233), (411, 198822), (822, 99411), (1233, 66274), (1781, 45882), (2466, 33137), (2549, 32058), (3562, 22941), (5098, 16029), (5343, 15294), (7647, 10686)]