131383252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 329499520

約数和(自身を除く): 198116268

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 76, 77, 91, 121, 133, 143, 154, 157, 182, 209, 242, 247, 266, 286, 308, 314, 364, 418, 484, 494, 532, 572, 628, 836, 847, 988, 1001, 1099, 1463, 1573, 1694, 1727, 1729, 2002, 2041, 2198, 2299, 2717, 2926, 2983, 3146, 3388, 3454, 3458, 4004, 4082, 4396, 4598, 5434, 5852, 5966, 6292, 6908, 6916, 8164, 9196, 10868, 11011, 11932, 12089, 14287, 16093, 18997, 19019, 20881, 22022, 22451, 24178, 28574, 29887, 32186, 32813, 37994, 38038, 38779, 41762, 44044, 44902, 48356, 57148, 59774, 64372, 65626, 75988, 76076, 77558, 83524, 89804, 119548, 131252, 132979, 155116, 157157, 209209, 229691, 246961, 265958, 271453, 314314, 360943, 418418, 426569, 459382, 493922, 531916, 542906, 628628, 721886, 836836, 853138, 918764, 987844, 1085812, 1443772, 1706276, 1728727, 2526601, 2985983, 3457454, 4692259, 5053202, 5971966, 6914908, 9384518, 10106404, 11943932, 18769036, 32845813, 65691626, 131383252]

約数ペア:

[(1, 131383252), (2, 65691626), (4, 32845813), (7, 18769036), (11, 11943932), (13, 10106404), (14, 9384518), (19, 6914908), (22, 5971966), (26, 5053202), (28, 4692259), (38, 3457454), (44, 2985983), (52, 2526601), (76, 1728727), (77, 1706276), (91, 1443772), (121, 1085812), (133, 987844), (143, 918764), (154, 853138), (157, 836836), (182, 721886), (209, 628628), (242, 542906), (247, 531916), (266, 493922), (286, 459382), (308, 426569), (314, 418418), (364, 360943), (418, 314314), (484, 271453), (494, 265958), (532, 246961), (572, 229691), (628, 209209), (836, 157157), (847, 155116), (988, 132979), (1001, 131252), (1099, 119548), (1463, 89804), (1573, 83524), (1694, 77558), (1727, 76076), (1729, 75988), (2002, 65626), (2041, 64372), (2198, 59774), (2299, 57148), (2717, 48356), (2926, 44902), (2983, 44044), (3146, 41762), (3388, 38779), (3454, 38038), (3458, 37994), (4004, 32813), (4082, 32186), (4396, 29887), (4598, 28574), (5434, 24178), (5852, 22451), (5966, 22022), (6292, 20881), (6908, 19019), (6916, 18997), (8164, 16093), (9196, 14287), (10868, 12089), (11011, 11932)]