131619656

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 292387200

約数和(自身を除く): 160767544

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 139, 148, 259, 278, 296, 457, 518, 556, 914, 973, 1036, 1112, 1828, 1946, 2072, 3199, 3656, 3892, 5143, 6398, 7784, 10286, 12796, 16909, 20572, 25592, 33818, 36001, 41144, 63523, 67636, 72002, 118363, 127046, 135272, 144004, 236726, 254092, 288008, 444661, 473452, 508184, 889322, 946904, 1778644, 2350351, 3557288, 4700702, 9401404, 16452457, 18802808, 32904914, 65809828, 131619656]

約数ペア:

[(1, 131619656), (2, 65809828), (4, 32904914), (7, 18802808), (8, 16452457), (14, 9401404), (28, 4700702), (37, 3557288), (56, 2350351), (74, 1778644), (139, 946904), (148, 889322), (259, 508184), (278, 473452), (296, 444661), (457, 288008), (518, 254092), (556, 236726), (914, 144004), (973, 135272), (1036, 127046), (1112, 118363), (1828, 72002), (1946, 67636), (2072, 63523), (3199, 41144), (3656, 36001), (3892, 33818), (5143, 25592), (6398, 20572), (7784, 16909), (10286, 12796)]