16940872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 36514800

約数和(自身を除く): 19573928

約数列:

[1, 2, 4, 8, 13, 26, 29, 41, 52, 58, 82, 104, 116, 137, 164, 232, 274, 328, 377, 533, 548, 754, 1066, 1096, 1189, 1508, 1781, 2132, 2378, 3016, 3562, 3973, 4264, 4756, 5617, 7124, 7946, 9512, 11234, 14248, 15457, 15892, 22468, 30914, 31784, 44936, 51649, 61828, 73021, 103298, 123656, 146042, 162893, 206596, 292084, 325786, 413192, 584168, 651572, 1303144, 2117609, 4235218, 8470436, 16940872]

約数ペア:

[(1, 16940872), (2, 8470436), (4, 4235218), (8, 2117609), (13, 1303144), (26, 651572), (29, 584168), (41, 413192), (52, 325786), (58, 292084), (82, 206596), (104, 162893), (116, 146042), (137, 123656), (164, 103298), (232, 73021), (274, 61828), (328, 51649), (377, 44936), (533, 31784), (548, 30914), (754, 22468), (1066, 15892), (1096, 15457), (1189, 14248), (1508, 11234), (1781, 9512), (2132, 7946), (2378, 7124), (3016, 5617), (3562, 4756), (3973, 4264)]