1561771198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 2741256000

約数和(自身を除く): 1179484802

約数列:

[1, 2, 13, 17, 26, 34, 73, 97, 146, 194, 221, 442, 499, 949, 998, 1241, 1261, 1649, 1898, 2482, 2522, 3298, 6487, 7081, 8483, 12974, 14162, 16133, 16966, 21437, 32266, 36427, 42874, 48403, 72854, 92053, 96806, 110279, 120377, 184106, 220558, 240754, 473551, 619259, 629239, 822851, 947102, 1238518, 1258478, 1564901, 1645702, 3129802, 3533419, 7066838, 8050367, 10697063, 16100734, 21394126, 45934447, 60068123, 91868894, 120136246, 780885599, 1561771198]

約数ペア:

[(1, 1561771198), (2, 780885599), (13, 120136246), (17, 91868894), (26, 60068123), (34, 45934447), (73, 21394126), (97, 16100734), (146, 10697063), (194, 8050367), (221, 7066838), (442, 3533419), (499, 3129802), (949, 1645702), (998, 1564901), (1241, 1258478), (1261, 1238518), (1649, 947102), (1898, 822851), (2482, 629239), (2522, 619259), (3298, 473551), (6487, 240754), (7081, 220558), (8483, 184106), (12974, 120377), (14162, 110279), (16133, 96806), (16966, 92053), (21437, 72854), (32266, 48403), (36427, 42874)]