258691412

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 527694720

約数和(自身を除く): 269003308

約数列:

[1, 2, 4, 7, 14, 28, 83, 157, 166, 314, 332, 581, 628, 709, 1099, 1162, 1418, 2198, 2324, 2836, 4396, 4963, 9926, 13031, 19852, 26062, 52124, 58847, 91217, 111313, 117694, 182434, 222626, 235388, 364868, 411929, 445252, 779191, 823858, 1558382, 1647716, 3116764, 9238979, 18477958, 36955916, 64672853, 129345706, 258691412]

約数ペア:

[(1, 258691412), (2, 129345706), (4, 64672853), (7, 36955916), (14, 18477958), (28, 9238979), (83, 3116764), (157, 1647716), (166, 1558382), (314, 823858), (332, 779191), (581, 445252), (628, 411929), (709, 364868), (1099, 235388), (1162, 222626), (1418, 182434), (2198, 117694), (2324, 111313), (2836, 91217), (4396, 58847), (4963, 52124), (9926, 26062), (13031, 19852)]