205153564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3239

約数の個数: 72

約数和(自身を含む): 474884480

約数和(自身を除く): 269730916

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 121, 133, 154, 209, 242, 266, 308, 418, 484, 532, 836, 847, 1463, 1694, 2299, 2926, 3187, 3388, 4598, 5852, 6374, 9196, 12748, 16093, 22309, 32186, 35057, 44618, 60553, 64372, 70114, 89236, 121106, 140228, 242212, 245399, 385627, 423871, 490798, 666083, 771254, 847742, 981596, 1332166, 1542508, 1695484, 2664332, 2699389, 4662581, 5398778, 7326913, 9325162, 10797556, 14653826, 18650324, 29307652, 51288391, 102576782, 205153564]

約数ペア:

[(1, 205153564), (2, 102576782), (4, 51288391), (7, 29307652), (11, 18650324), (14, 14653826), (19, 10797556), (22, 9325162), (28, 7326913), (38, 5398778), (44, 4662581), (76, 2699389), (77, 2664332), (121, 1695484), (133, 1542508), (154, 1332166), (209, 981596), (242, 847742), (266, 771254), (308, 666083), (418, 490798), (484, 423871), (532, 385627), (836, 245399), (847, 242212), (1463, 140228), (1694, 121106), (2299, 89236), (2926, 70114), (3187, 64372), (3388, 60553), (4598, 44618), (5852, 35057), (6374, 32186), (9196, 22309), (12748, 16093)]