256628412

素因数分解:

$2^2\times 3^6\times {\mathrm{88007}}^1$

素因数の和:88029

約数の個数: 42

約数和(自身を含む): 673349208

約数和(自身を除く): 416720796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 88007, 176014, 264021, 352028, 528042, 792063, 1056084, 1584126, 2376189, 3168252, 4752378, 7128567, 9504756, 14257134, 21385701, 28514268, 42771402, 64157103, 85542804, 128314206, 256628412]

約数ペア:

[(1, 256628412), (2, 128314206), (3, 85542804), (4, 64157103), (6, 42771402), (9, 28514268), (12, 21385701), (18, 14257134), (27, 9504756), (36, 7128567), (54, 4752378), (81, 3168252), (108, 2376189), (162, 1584126), (243, 1056084), (324, 792063), (486, 528042), (729, 352028), (972, 264021), (1458, 176014), (2916, 88007)]