123807856

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 243734400

約数和(自身を除く): 119926544

約数列:

[1, 2, 4, 8, 16, 139, 179, 278, 311, 358, 556, 622, 716, 1112, 1244, 1432, 2224, 2488, 2864, 4976, 24881, 43229, 49762, 55669, 86458, 99524, 111338, 172916, 199048, 222676, 345832, 398096, 445352, 691664, 890704, 7737991, 15475982, 30951964, 61903928, 123807856]

約数ペア:

[(1, 123807856), (2, 61903928), (4, 30951964), (8, 15475982), (16, 7737991), (139, 890704), (179, 691664), (278, 445352), (311, 398096), (358, 345832), (556, 222676), (622, 199048), (716, 172916), (1112, 111338), (1244, 99524), (1432, 86458), (2224, 55669), (2488, 49762), (2864, 43229), (4976, 24881)]