31998078

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 120

約数和(自身を含む): 86902200

約数和(自身を除く): 54904122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 49, 54, 58, 63, 81, 87, 98, 126, 139, 147, 162, 174, 189, 203, 261, 278, 294, 378, 406, 417, 441, 522, 567, 609, 783, 834, 882, 973, 1134, 1218, 1251, 1323, 1421, 1566, 1827, 1946, 2349, 2502, 2646, 2842, 2919, 3654, 3753, 3969, 4031, 4263, 4698, 5481, 5838, 6811, 7506, 7938, 8062, 8526, 8757, 10962, 11259, 12093, 12789, 13622, 16443, 17514, 20433, 22518, 24186, 25578, 26271, 28217, 32886, 36279, 38367, 40866, 52542, 56434, 61299, 72558, 76734, 78813, 84651, 108837, 115101, 122598, 157626, 169302, 183897, 197519, 217674, 230202, 253953, 326511, 367794, 395038, 507906, 551691, 592557, 653022, 761859, 1103382, 1185114, 1523718, 1777671, 2285577, 3555342, 4571154, 5333013, 10666026, 15999039, 31998078]

約数ペア:

[(1, 31998078), (2, 15999039), (3, 10666026), (6, 5333013), (7, 4571154), (9, 3555342), (14, 2285577), (18, 1777671), (21, 1523718), (27, 1185114), (29, 1103382), (42, 761859), (49, 653022), (54, 592557), (58, 551691), (63, 507906), (81, 395038), (87, 367794), (98, 326511), (126, 253953), (139, 230202), (147, 217674), (162, 197519), (174, 183897), (189, 169302), (203, 157626), (261, 122598), (278, 115101), (294, 108837), (378, 84651), (406, 78813), (417, 76734), (441, 72558), (522, 61299), (567, 56434), (609, 52542), (783, 40866), (834, 38367), (882, 36279), (973, 32886), (1134, 28217), (1218, 26271), (1251, 25578), (1323, 24186), (1421, 22518), (1566, 20433), (1827, 17514), (1946, 16443), (2349, 13622), (2502, 12789), (2646, 12093), (2842, 11259), (2919, 10962), (3654, 8757), (3753, 8526), (3969, 8062), (4031, 7938), (4263, 7506), (4698, 6811), (5481, 5838)]