81349408

素因数分解:

$2^5\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1842

約数の個数: 72

約数和(自身を含む): 192836700

約数和(自身を除く): 111487292

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 98, 112, 116, 196, 203, 224, 232, 392, 406, 464, 784, 812, 928, 1421, 1568, 1624, 1789, 2842, 3248, 3578, 5684, 6496, 7156, 11368, 12523, 14312, 22736, 25046, 28624, 45472, 50092, 51881, 57248, 87661, 100184, 103762, 175322, 200368, 207524, 350644, 363167, 400736, 415048, 701288, 726334, 830096, 1402576, 1452668, 1660192, 2542169, 2805152, 2905336, 5084338, 5810672, 10168676, 11621344, 20337352, 40674704, 81349408]

約数ペア:

[(1, 81349408), (2, 40674704), (4, 20337352), (7, 11621344), (8, 10168676), (14, 5810672), (16, 5084338), (28, 2905336), (29, 2805152), (32, 2542169), (49, 1660192), (56, 1452668), (58, 1402576), (98, 830096), (112, 726334), (116, 701288), (196, 415048), (203, 400736), (224, 363167), (232, 350644), (392, 207524), (406, 200368), (464, 175322), (784, 103762), (812, 100184), (928, 87661), (1421, 57248), (1568, 51881), (1624, 50092), (1789, 45472), (2842, 28624), (3248, 25046), (3578, 22736), (5684, 14312), (6496, 12523), (7156, 11368)]