397999728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17167}}^1$

素因数の和:17211

約数の個数: 120

約数和(自身を含む): 1328391168

約数和(自身を除く): 930391440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 48, 56, 63, 69, 72, 84, 92, 112, 126, 138, 144, 161, 168, 184, 207, 252, 276, 322, 336, 368, 414, 483, 504, 552, 644, 828, 966, 1008, 1104, 1288, 1449, 1656, 1932, 2576, 2898, 3312, 3864, 5796, 7728, 11592, 17167, 23184, 34334, 51501, 68668, 103002, 120169, 137336, 154503, 206004, 240338, 274672, 309006, 360507, 394841, 412008, 480676, 618012, 721014, 789682, 824016, 961352, 1081521, 1184523, 1236024, 1442028, 1579364, 1922704, 2163042, 2369046, 2472048, 2763887, 2884056, 3158728, 3553569, 4326084, 4738092, 5527774, 5768112, 6317456, 7107138, 8291661, 8652168, 9476184, 11055548, 14214276, 16583322, 17304336, 18952368, 22111096, 24874983, 28428552, 33166644, 44222192, 49749966, 56857104, 66333288, 99499932, 132666576, 198999864, 397999728]

約数ペア:

[(1, 397999728), (2, 198999864), (3, 132666576), (4, 99499932), (6, 66333288), (7, 56857104), (8, 49749966), (9, 44222192), (12, 33166644), (14, 28428552), (16, 24874983), (18, 22111096), (21, 18952368), (23, 17304336), (24, 16583322), (28, 14214276), (36, 11055548), (42, 9476184), (46, 8652168), (48, 8291661), (56, 7107138), (63, 6317456), (69, 5768112), (72, 5527774), (84, 4738092), (92, 4326084), (112, 3553569), (126, 3158728), (138, 2884056), (144, 2763887), (161, 2472048), (168, 2369046), (184, 2163042), (207, 1922704), (252, 1579364), (276, 1442028), (322, 1236024), (336, 1184523), (368, 1081521), (414, 961352), (483, 824016), (504, 789682), (552, 721014), (644, 618012), (828, 480676), (966, 412008), (1008, 394841), (1104, 360507), (1288, 309006), (1449, 274672), (1656, 240338), (1932, 206004), (2576, 154503), (2898, 137336), (3312, 120169), (3864, 103002), (5796, 68668), (7728, 51501), (11592, 34334), (17167, 23184)]