164057495

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 251596800

約数和(自身を除く): 87539305

約数列:

[1, 5, 7, 19, 29, 35, 47, 95, 133, 145, 181, 203, 235, 329, 551, 665, 893, 905, 1015, 1267, 1363, 1645, 2755, 3439, 3857, 4465, 5249, 6251, 6335, 6815, 8507, 9541, 17195, 19285, 24073, 25897, 26245, 31255, 36743, 42535, 47705, 59549, 99731, 120365, 129485, 161633, 181279, 183715, 246703, 297745, 498655, 698117, 808165, 906395, 1131431, 1233515, 1726921, 3490585, 4687357, 5657155, 8634605, 23436785, 32811499, 164057495]

約数ペア:

[(1, 164057495), (5, 32811499), (7, 23436785), (19, 8634605), (29, 5657155), (35, 4687357), (47, 3490585), (95, 1726921), (133, 1233515), (145, 1131431), (181, 906395), (203, 808165), (235, 698117), (329, 498655), (551, 297745), (665, 246703), (893, 183715), (905, 181279), (1015, 161633), (1267, 129485), (1363, 120365), (1645, 99731), (2755, 59549), (3439, 47705), (3857, 42535), (4465, 36743), (5249, 31255), (6251, 26245), (6335, 25897), (6815, 24073), (8507, 19285), (9541, 17195)]