1643248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3352

約数の個数: 20

約数和(自身を含む): 3287488

約数和(自身を除く): 1644240

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3313, 6626, 13252, 26504, 53008, 102703, 205406, 410812, 821624, 1643248]

約数ペア:

[(1, 1643248), (2, 821624), (4, 410812), (8, 205406), (16, 102703), (31, 53008), (62, 26504), (124, 13252), (248, 6626), (496, 3313)]