31505768

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 71781120

約数和(自身を除く): 40275352

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 161, 184, 244, 322, 401, 427, 488, 644, 802, 854, 1288, 1403, 1604, 1708, 2806, 2807, 3208, 3416, 5612, 5614, 9223, 9821, 11224, 11228, 18446, 19642, 22456, 24461, 36892, 39284, 48922, 64561, 73784, 78568, 97844, 129122, 171227, 195688, 258244, 342454, 516488, 562603, 684908, 1125206, 1369816, 2250412, 3938221, 4500824, 7876442, 15752884, 31505768]

約数ペア:

[(1, 31505768), (2, 15752884), (4, 7876442), (7, 4500824), (8, 3938221), (14, 2250412), (23, 1369816), (28, 1125206), (46, 684908), (56, 562603), (61, 516488), (92, 342454), (122, 258244), (161, 195688), (184, 171227), (244, 129122), (322, 97844), (401, 78568), (427, 73784), (488, 64561), (644, 48922), (802, 39284), (854, 36892), (1288, 24461), (1403, 22456), (1604, 19642), (1708, 18446), (2806, 11228), (2807, 11224), (3208, 9821), (3416, 9223), (5612, 5614)]