71561728

素因数分解:

$2^9\times 7^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:553

約数の個数: 80

約数和(自身を含む): 167739264

約数和(自身を除く): 96177536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 448, 487, 512, 574, 656, 896, 974, 1148, 1312, 1792, 1948, 2296, 2624, 3409, 3584, 3896, 4592, 5248, 6818, 7792, 9184, 10496, 13636, 15584, 18368, 19967, 20992, 27272, 31168, 36736, 39934, 54544, 62336, 73472, 79868, 109088, 124672, 139769, 146944, 159736, 218176, 249344, 279538, 319472, 436352, 559076, 638944, 872704, 1118152, 1277888, 1745408, 2236304, 2555776, 4472608, 5111552, 8945216, 10223104, 17890432, 35780864, 71561728]

約数ペア:

[(1, 71561728), (2, 35780864), (4, 17890432), (7, 10223104), (8, 8945216), (14, 5111552), (16, 4472608), (28, 2555776), (32, 2236304), (41, 1745408), (56, 1277888), (64, 1118152), (82, 872704), (112, 638944), (128, 559076), (164, 436352), (224, 319472), (256, 279538), (287, 249344), (328, 218176), (448, 159736), (487, 146944), (512, 139769), (574, 124672), (656, 109088), (896, 79868), (974, 73472), (1148, 62336), (1312, 54544), (1792, 39934), (1948, 36736), (2296, 31168), (2624, 27272), (3409, 20992), (3584, 19967), (3896, 18368), (4592, 15584), (5248, 13636), (6818, 10496), (7792, 9184)]