627680312

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1\times {\mathrm{661}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 1393059840

約数和(自身を除く): 765379528

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 547, 661, 868, 1094, 1322, 1736, 2188, 2644, 3829, 4376, 4627, 5288, 7658, 9254, 15316, 16957, 18508, 20491, 30632, 33914, 37016, 40982, 67828, 81964, 118699, 135656, 143437, 163928, 237398, 286874, 361567, 474796, 573748, 723134, 949592, 1147496, 1446268, 2530969, 2892536, 5061938, 10123876, 11208577, 20247752, 22417154, 44834308, 78460039, 89668616, 156920078, 313840156, 627680312]

約数ペア:

[(1, 627680312), (2, 313840156), (4, 156920078), (7, 89668616), (8, 78460039), (14, 44834308), (28, 22417154), (31, 20247752), (56, 11208577), (62, 10123876), (124, 5061938), (217, 2892536), (248, 2530969), (434, 1446268), (547, 1147496), (661, 949592), (868, 723134), (1094, 573748), (1322, 474796), (1736, 361567), (2188, 286874), (2644, 237398), (3829, 163928), (4376, 143437), (4627, 135656), (5288, 118699), (7658, 81964), (9254, 67828), (15316, 40982), (16957, 37016), (18508, 33914), (20491, 30632)]