68377816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 144506880

約数和(自身を除く): 76129064

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 127, 167, 248, 254, 334, 403, 508, 668, 806, 1016, 1336, 1612, 1651, 2171, 3224, 3302, 3937, 4342, 5177, 6604, 7874, 8684, 10354, 13208, 15748, 17368, 20708, 21209, 31496, 41416, 42418, 51181, 67301, 84836, 102362, 134602, 169672, 204724, 269204, 275717, 409448, 538408, 551434, 657479, 1102868, 1314958, 2205736, 2629916, 5259832, 8547227, 17094454, 34188908, 68377816]

約数ペア:

[(1, 68377816), (2, 34188908), (4, 17094454), (8, 8547227), (13, 5259832), (26, 2629916), (31, 2205736), (52, 1314958), (62, 1102868), (104, 657479), (124, 551434), (127, 538408), (167, 409448), (248, 275717), (254, 269204), (334, 204724), (403, 169672), (508, 134602), (668, 102362), (806, 84836), (1016, 67301), (1336, 51181), (1612, 42418), (1651, 41416), (2171, 31496), (3224, 21209), (3302, 20708), (3937, 17368), (4342, 15748), (5177, 13208), (6604, 10354), (7874, 8684)]