81938976

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{17419}}^1$

素因数の和:17446

約数の個数: 72

約数和(自身を含む): 250220880

約数和(自身を除く): 168281904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4704, 17419, 34838, 52257, 69676, 104514, 121933, 139352, 209028, 243866, 278704, 365799, 418056, 487732, 557408, 731598, 836112, 853531, 975464, 1463196, 1672224, 1707062, 1950928, 2560593, 2926392, 3414124, 3901856, 5121186, 5852784, 6828248, 10242372, 11705568, 13656496, 20484744, 27312992, 40969488, 81938976]

約数ペア:

[(1, 81938976), (2, 40969488), (3, 27312992), (4, 20484744), (6, 13656496), (7, 11705568), (8, 10242372), (12, 6828248), (14, 5852784), (16, 5121186), (21, 3901856), (24, 3414124), (28, 2926392), (32, 2560593), (42, 1950928), (48, 1707062), (49, 1672224), (56, 1463196), (84, 975464), (96, 853531), (98, 836112), (112, 731598), (147, 557408), (168, 487732), (196, 418056), (224, 365799), (294, 278704), (336, 243866), (392, 209028), (588, 139352), (672, 121933), (784, 104514), (1176, 69676), (1568, 52257), (2352, 34838), (4704, 17419)]