161687764

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1109}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 334172160

約数和(自身を除く): 172484396

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 127, 164, 254, 287, 508, 574, 889, 1109, 1148, 1778, 2218, 3556, 4436, 5207, 7763, 10414, 15526, 20828, 31052, 36449, 45469, 72898, 90938, 140843, 145796, 181876, 281686, 318283, 563372, 636566, 985901, 1273132, 1971802, 3943604, 5774563, 11549126, 23098252, 40421941, 80843882, 161687764]

約数ペア:

[(1, 161687764), (2, 80843882), (4, 40421941), (7, 23098252), (14, 11549126), (28, 5774563), (41, 3943604), (82, 1971802), (127, 1273132), (164, 985901), (254, 636566), (287, 563372), (508, 318283), (574, 281686), (889, 181876), (1109, 145796), (1148, 140843), (1778, 90938), (2218, 72898), (3556, 45469), (4436, 36449), (5207, 31052), (7763, 20828), (10414, 15526)]