168981008

素因数分解:

$2^4\times 7^3\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:821

約数の個数: 80

約数和(自身を含む): 391641600

約数和(自身を除く): 222660592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 98, 112, 164, 196, 287, 328, 343, 392, 574, 656, 686, 751, 784, 1148, 1372, 1502, 2009, 2296, 2744, 3004, 4018, 4592, 5257, 5488, 6008, 8036, 10514, 12016, 14063, 16072, 21028, 28126, 30791, 32144, 36799, 42056, 56252, 61582, 73598, 84112, 112504, 123164, 147196, 215537, 225008, 246328, 257593, 294392, 431074, 492656, 515186, 588784, 862148, 1030372, 1508759, 1724296, 2060744, 3017518, 3448592, 4121488, 6035036, 10561313, 12070072, 21122626, 24140144, 42245252, 84490504, 168981008]

約数ペア:

[(1, 168981008), (2, 84490504), (4, 42245252), (7, 24140144), (8, 21122626), (14, 12070072), (16, 10561313), (28, 6035036), (41, 4121488), (49, 3448592), (56, 3017518), (82, 2060744), (98, 1724296), (112, 1508759), (164, 1030372), (196, 862148), (287, 588784), (328, 515186), (343, 492656), (392, 431074), (574, 294392), (656, 257593), (686, 246328), (751, 225008), (784, 215537), (1148, 147196), (1372, 123164), (1502, 112504), (2009, 84112), (2296, 73598), (2744, 61582), (3004, 56252), (4018, 42056), (4592, 36799), (5257, 32144), (5488, 30791), (6008, 28126), (8036, 21028), (10514, 16072), (12016, 14063)]