28175559124

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{19489}}^1$

素因数の和:19744

約数の個数: 48

約数和(自身を含む): 51865228800

約数和(自身を除く): 23689669676

約数列:

[1, 2, 4, 31, 62, 89, 124, 131, 178, 262, 356, 524, 2759, 4061, 5518, 8122, 11036, 11659, 16244, 19489, 23318, 38978, 46636, 77956, 361429, 604159, 722858, 1208318, 1445716, 1734521, 2416636, 2553059, 3469042, 5106118, 6938084, 10212236, 53770151, 79144829, 107540302, 158289658, 215080604, 227222251, 316579316, 454444502, 908889004, 7043889781, 14087779562, 28175559124]

約数ペア:

[(1, 28175559124), (2, 14087779562), (4, 7043889781), (31, 908889004), (62, 454444502), (89, 316579316), (124, 227222251), (131, 215080604), (178, 158289658), (262, 107540302), (356, 79144829), (524, 53770151), (2759, 10212236), (4061, 6938084), (5518, 5106118), (8122, 3469042), (11036, 2553059), (11659, 2416636), (16244, 1734521), (19489, 1445716), (23318, 1208318), (38978, 722858), (46636, 604159), (77956, 361429)]