391680128

素因数分解:

$2^7\times 7^2\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:542

約数の個数: 96

約数和(自身を含む): 915181740

約数和(自身を除く): 523501612

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 197, 224, 317, 392, 394, 448, 634, 784, 788, 896, 1268, 1379, 1568, 1576, 2219, 2536, 2758, 3136, 3152, 4438, 5072, 5516, 6272, 6304, 8876, 9653, 10144, 11032, 12608, 15533, 17752, 19306, 20288, 22064, 25216, 31066, 35504, 38612, 40576, 44128, 62132, 62449, 71008, 77224, 88256, 124264, 124898, 142016, 154448, 176512, 248528, 249796, 284032, 308896, 437143, 497056, 499592, 617792, 874286, 994112, 999184, 1235584, 1748572, 1988224, 1998368, 3060001, 3497144, 3996736, 6120002, 6994288, 7993472, 12240004, 13988576, 24480008, 27977152, 48960016, 55954304, 97920032, 195840064, 391680128]

約数ペア:

[(1, 391680128), (2, 195840064), (4, 97920032), (7, 55954304), (8, 48960016), (14, 27977152), (16, 24480008), (28, 13988576), (32, 12240004), (49, 7993472), (56, 6994288), (64, 6120002), (98, 3996736), (112, 3497144), (128, 3060001), (196, 1998368), (197, 1988224), (224, 1748572), (317, 1235584), (392, 999184), (394, 994112), (448, 874286), (634, 617792), (784, 499592), (788, 497056), (896, 437143), (1268, 308896), (1379, 284032), (1568, 249796), (1576, 248528), (2219, 176512), (2536, 154448), (2758, 142016), (3136, 124898), (3152, 124264), (4438, 88256), (5072, 77224), (5516, 71008), (6272, 62449), (6304, 62132), (8876, 44128), (9653, 40576), (10144, 38612), (11032, 35504), (12608, 31066), (15533, 25216), (17752, 22064), (19306, 20288)]