306999704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{81131}}^1$

素因数の和:81191

約数の個数: 32

約数和(自身を含む): 642565440

約数和(自身を除く): 335565736

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 81131, 162262, 324524, 649048, 892441, 1784882, 3488633, 3569764, 6977266, 7139528, 13954532, 27909064, 38374963, 76749926, 153499852, 306999704]

約数ペア:

[(1, 306999704), (2, 153499852), (4, 76749926), (8, 38374963), (11, 27909064), (22, 13954532), (43, 7139528), (44, 6977266), (86, 3569764), (88, 3488633), (172, 1784882), (344, 892441), (473, 649048), (946, 324524), (1892, 162262), (3784, 81131)]