331488190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131023}}^1$

素因数の和:131064

約数の個数: 32

約数和(自身を含む): 679228416

約数和(自身を除く): 347740226

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 131023, 262046, 655115, 1310230, 1441253, 2882506, 3013529, 6027058, 7206265, 14412530, 15067645, 30135290, 33148819, 66297638, 165744095, 331488190]

約数ペア:

[(1, 331488190), (2, 165744095), (5, 66297638), (10, 33148819), (11, 30135290), (22, 15067645), (23, 14412530), (46, 7206265), (55, 6027058), (110, 3013529), (115, 2882506), (230, 1441253), (253, 1310230), (506, 655115), (1265, 262046), (2530, 131023)]