81891584

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 178956288

約数和(自身を除く): 97064704

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 607, 992, 1054, 1088, 1214, 1984, 2108, 2176, 2428, 3968, 4216, 4352, 4856, 7936, 8432, 9712, 10319, 16864, 18817, 19424, 20638, 33728, 37634, 38848, 41276, 67456, 75268, 77696, 82552, 134912, 150536, 155392, 165104, 301072, 319889, 330208, 602144, 639778, 660416, 1204288, 1279556, 1320832, 2408576, 2559112, 2641664, 4817152, 5118224, 10236448, 20472896, 40945792, 81891584]

約数ペア:

[(1, 81891584), (2, 40945792), (4, 20472896), (8, 10236448), (16, 5118224), (17, 4817152), (31, 2641664), (32, 2559112), (34, 2408576), (62, 1320832), (64, 1279556), (68, 1204288), (124, 660416), (128, 639778), (136, 602144), (248, 330208), (256, 319889), (272, 301072), (496, 165104), (527, 155392), (544, 150536), (607, 134912), (992, 82552), (1054, 77696), (1088, 75268), (1214, 67456), (1984, 41276), (2108, 38848), (2176, 37634), (2428, 33728), (3968, 20638), (4216, 19424), (4352, 18817), (4856, 16864), (7936, 10319), (8432, 9712)]