261313232

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{18289}}^1$

素因数の和:18363

約数の個数: 40

約数和(自身を含む): 544310400

約数和(自身を除く): 282997168

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 7144, 14288, 18289, 36578, 73156, 146312, 292624, 347491, 694982, 859583, 1389964, 1719166, 2779928, 3438332, 5559856, 6876664, 13753328, 16332077, 32664154, 65328308, 130656616, 261313232]

約数ペア:

[(1, 261313232), (2, 130656616), (4, 65328308), (8, 32664154), (16, 16332077), (19, 13753328), (38, 6876664), (47, 5559856), (76, 3438332), (94, 2779928), (152, 1719166), (188, 1389964), (304, 859583), (376, 694982), (752, 347491), (893, 292624), (1786, 146312), (3572, 73156), (7144, 36578), (14288, 18289)]