257809968

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3359}}^1$

素因数の和:3427

約数の個数: 120

約数和(自身を含む): 796199040

約数和(自身を除く): 538389072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 41, 48, 52, 72, 78, 82, 104, 117, 123, 144, 156, 164, 208, 234, 246, 312, 328, 369, 468, 492, 533, 624, 656, 738, 936, 984, 1066, 1476, 1599, 1872, 1968, 2132, 2952, 3198, 3359, 4264, 4797, 5904, 6396, 6718, 8528, 9594, 10077, 12792, 13436, 19188, 20154, 25584, 26872, 30231, 38376, 40308, 43667, 53744, 60462, 76752, 80616, 87334, 120924, 131001, 137719, 161232, 174668, 241848, 262002, 275438, 349336, 393003, 413157, 483696, 524004, 550876, 698672, 786006, 826314, 1048008, 1101752, 1239471, 1572012, 1652628, 1790347, 2096016, 2203504, 2478942, 3144024, 3305256, 3580694, 4957884, 5371041, 6288048, 6610512, 7161388, 9915768, 10742082, 14322776, 16113123, 19831536, 21484164, 28645552, 32226246, 42968328, 64452492, 85936656, 128904984, 257809968]

約数ペア:

[(1, 257809968), (2, 128904984), (3, 85936656), (4, 64452492), (6, 42968328), (8, 32226246), (9, 28645552), (12, 21484164), (13, 19831536), (16, 16113123), (18, 14322776), (24, 10742082), (26, 9915768), (36, 7161388), (39, 6610512), (41, 6288048), (48, 5371041), (52, 4957884), (72, 3580694), (78, 3305256), (82, 3144024), (104, 2478942), (117, 2203504), (123, 2096016), (144, 1790347), (156, 1652628), (164, 1572012), (208, 1239471), (234, 1101752), (246, 1048008), (312, 826314), (328, 786006), (369, 698672), (468, 550876), (492, 524004), (533, 483696), (624, 413157), (656, 393003), (738, 349336), (936, 275438), (984, 262002), (1066, 241848), (1476, 174668), (1599, 161232), (1872, 137719), (1968, 131001), (2132, 120924), (2952, 87334), (3198, 80616), (3359, 76752), (4264, 60462), (4797, 53744), (5904, 43667), (6396, 40308), (6718, 38376), (8528, 30231), (9594, 26872), (10077, 25584), (12792, 20154), (13436, 19188)]