51130422

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2050

約数の個数: 72

約数和(自身を含む): 133380000

約数和(自身を除く): 82249578

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 882, 1218, 1421, 1827, 1999, 2842, 3654, 3998, 4263, 5997, 8526, 11994, 12789, 13993, 17991, 25578, 27986, 35982, 41979, 57971, 83958, 97951, 115942, 125937, 173913, 195902, 251874, 293853, 347826, 405797, 521739, 587706, 811594, 881559, 1043478, 1217391, 1763118, 2434782, 2840579, 3652173, 5681158, 7304346, 8521737, 17043474, 25565211, 51130422]

約数ペア:

[(1, 51130422), (2, 25565211), (3, 17043474), (6, 8521737), (7, 7304346), (9, 5681158), (14, 3652173), (18, 2840579), (21, 2434782), (29, 1763118), (42, 1217391), (49, 1043478), (58, 881559), (63, 811594), (87, 587706), (98, 521739), (126, 405797), (147, 347826), (174, 293853), (203, 251874), (261, 195902), (294, 173913), (406, 125937), (441, 115942), (522, 97951), (609, 83958), (882, 57971), (1218, 41979), (1421, 35982), (1827, 27986), (1999, 25578), (2842, 17991), (3654, 13993), (3998, 12789), (4263, 11994), (5997, 8526)]