1256337579

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 2060771328

約数和(自身を除く): 804433749

約数列:

[1, 3, 7, 21, 23, 43, 69, 129, 161, 241, 251, 301, 483, 723, 753, 903, 989, 1687, 1757, 2967, 5061, 5271, 5543, 5773, 6923, 10363, 10793, 16629, 17319, 20769, 31089, 32379, 38801, 40411, 60491, 72541, 75551, 116403, 121233, 181473, 217623, 226653, 238349, 248239, 423437, 715047, 744717, 1270311, 1391293, 1668443, 1737673, 2601113, 4173879, 5005329, 5213019, 7803339, 9739051, 18207791, 29217153, 54623373, 59825599, 179476797, 418779193, 1256337579]

約数ペア:

[(1, 1256337579), (3, 418779193), (7, 179476797), (21, 59825599), (23, 54623373), (43, 29217153), (69, 18207791), (129, 9739051), (161, 7803339), (241, 5213019), (251, 5005329), (301, 4173879), (483, 2601113), (723, 1737673), (753, 1668443), (903, 1391293), (989, 1270311), (1687, 744717), (1757, 715047), (2967, 423437), (5061, 248239), (5271, 238349), (5543, 226653), (5773, 217623), (6923, 181473), (10363, 121233), (10793, 116403), (16629, 75551), (17319, 72541), (20769, 60491), (31089, 40411), (32379, 38801)]