321567378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 717548544

約数和(自身を除く): 395981166

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 163, 213, 326, 421, 426, 489, 781, 842, 978, 1263, 1562, 1793, 2343, 2526, 3586, 4631, 4686, 5379, 9262, 10758, 11573, 13893, 23146, 27786, 29891, 34719, 59782, 68623, 69438, 89673, 127303, 137246, 179346, 205869, 254606, 328801, 381909, 411738, 657602, 754853, 763818, 986403, 1509706, 1972806, 2264559, 4529118, 4872233, 9744466, 14616699, 29233398, 53594563, 107189126, 160783689, 321567378]

約数ペア:

[(1, 321567378), (2, 160783689), (3, 107189126), (6, 53594563), (11, 29233398), (22, 14616699), (33, 9744466), (66, 4872233), (71, 4529118), (142, 2264559), (163, 1972806), (213, 1509706), (326, 986403), (421, 763818), (426, 754853), (489, 657602), (781, 411738), (842, 381909), (978, 328801), (1263, 254606), (1562, 205869), (1793, 179346), (2343, 137246), (2526, 127303), (3586, 89673), (4631, 69438), (4686, 68623), (5379, 59782), (9262, 34719), (10758, 29891), (11573, 27786), (13893, 23146)]