31005858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 71971200

約数和(自身を除く): 40965342

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 67, 78, 102, 134, 201, 221, 349, 402, 442, 663, 698, 871, 1047, 1139, 1326, 1742, 2094, 2278, 2613, 3417, 4537, 5226, 5933, 6834, 9074, 11866, 13611, 14807, 17799, 23383, 27222, 29614, 35598, 44421, 46766, 70149, 77129, 88842, 140298, 154258, 231387, 303979, 397511, 462774, 607958, 795022, 911937, 1192533, 1823874, 2385066, 5167643, 10335286, 15502929, 31005858]

約数ペア:

[(1, 31005858), (2, 15502929), (3, 10335286), (6, 5167643), (13, 2385066), (17, 1823874), (26, 1192533), (34, 911937), (39, 795022), (51, 607958), (67, 462774), (78, 397511), (102, 303979), (134, 231387), (201, 154258), (221, 140298), (349, 88842), (402, 77129), (442, 70149), (663, 46766), (698, 44421), (871, 35598), (1047, 29614), (1139, 27222), (1326, 23383), (1742, 17799), (2094, 14807), (2278, 13611), (2613, 11866), (3417, 9074), (4537, 6834), (5226, 5933)]