258113648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1240931}}^1$

素因数の和:1240952

約数の個数: 20

約数和(自身を含む): 538564488

約数和(自身を除く): 280450840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1240931, 2481862, 4963724, 9927448, 16132103, 19854896, 32264206, 64528412, 129056824, 258113648]

約数ペア:

[(1, 258113648), (2, 129056824), (4, 64528412), (8, 32264206), (13, 19854896), (16, 16132103), (26, 9927448), (52, 4963724), (104, 2481862), (208, 1240931)]