81939424

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 193729536

約数和(自身を除く): 111790112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 47, 56, 86, 94, 112, 172, 181, 188, 224, 301, 329, 344, 362, 376, 602, 658, 688, 724, 752, 1204, 1267, 1316, 1376, 1448, 1504, 2021, 2408, 2534, 2632, 2896, 4042, 4816, 5068, 5264, 5792, 7783, 8084, 8507, 9632, 10136, 10528, 14147, 15566, 16168, 17014, 20272, 28294, 31132, 32336, 34028, 40544, 54481, 56588, 59549, 62264, 64672, 68056, 108962, 113176, 119098, 124528, 136112, 217924, 226352, 238196, 249056, 272224, 365801, 435848, 452704, 476392, 731602, 871696, 952784, 1463204, 1743392, 1905568, 2560607, 2926408, 5121214, 5852816, 10242428, 11705632, 20484856, 40969712, 81939424]

約数ペア:

[(1, 81939424), (2, 40969712), (4, 20484856), (7, 11705632), (8, 10242428), (14, 5852816), (16, 5121214), (28, 2926408), (32, 2560607), (43, 1905568), (47, 1743392), (56, 1463204), (86, 952784), (94, 871696), (112, 731602), (172, 476392), (181, 452704), (188, 435848), (224, 365801), (301, 272224), (329, 249056), (344, 238196), (362, 226352), (376, 217924), (602, 136112), (658, 124528), (688, 119098), (724, 113176), (752, 108962), (1204, 68056), (1267, 64672), (1316, 62264), (1376, 59549), (1448, 56588), (1504, 54481), (2021, 40544), (2408, 34028), (2534, 32336), (2632, 31132), (2896, 28294), (4042, 20272), (4816, 17014), (5068, 16168), (5264, 15566), (5792, 14147), (7783, 10528), (8084, 10136), (8507, 9632)]