31656170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 40194070

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 809, 910, 1118, 1505, 1618, 2795, 3010, 3913, 4045, 5590, 5663, 7826, 8090, 10517, 11326, 19565, 21034, 28315, 34787, 39130, 52585, 56630, 69574, 73619, 105170, 147238, 173935, 243509, 347870, 368095, 452231, 487018, 736190, 904462, 1217545, 2261155, 2435090, 3165617, 4522310, 6331234, 15828085, 31656170]

約数ペア:

[(1, 31656170), (2, 15828085), (5, 6331234), (7, 4522310), (10, 3165617), (13, 2435090), (14, 2261155), (26, 1217545), (35, 904462), (43, 736190), (65, 487018), (70, 452231), (86, 368095), (91, 347870), (130, 243509), (182, 173935), (215, 147238), (301, 105170), (430, 73619), (455, 69574), (559, 56630), (602, 52585), (809, 39130), (910, 34787), (1118, 28315), (1505, 21034), (1618, 19565), (2795, 11326), (3010, 10517), (3913, 8090), (4045, 7826), (5590, 5663)]