161049868

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^2\times {\mathrm{163}}^1$

素因数の和:323

約数の個数: 54

約数和(自身を含む): 334574268

約数和(自身を除く): 173524400

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 163, 196, 284, 326, 497, 652, 994, 1141, 1988, 2282, 3479, 4564, 5041, 6958, 7987, 10082, 11573, 13916, 15974, 20164, 23146, 31948, 35287, 46292, 70574, 81011, 141148, 162022, 247009, 324044, 494018, 567077, 821683, 988036, 1134154, 1643366, 2268308, 3286732, 5751781, 11503562, 23007124, 40262467, 80524934, 161049868]

約数ペア:

[(1, 161049868), (2, 80524934), (4, 40262467), (7, 23007124), (14, 11503562), (28, 5751781), (49, 3286732), (71, 2268308), (98, 1643366), (142, 1134154), (163, 988036), (196, 821683), (284, 567077), (326, 494018), (497, 324044), (652, 247009), (994, 162022), (1141, 141148), (1988, 81011), (2282, 70574), (3479, 46292), (4564, 35287), (5041, 31948), (6958, 23146), (7987, 20164), (10082, 15974), (11573, 13916)]