197531490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{506491}}^1$

素因数の和:506514

約数の個数: 32

約数和(自身を含む): 510543936

約数和(自身を除く): 313012446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 506491, 1012982, 1519473, 2532455, 3038946, 5064910, 6584383, 7597365, 13168766, 15194730, 19753149, 32921915, 39506298, 65843830, 98765745, 197531490]

約数ペア:

[(1, 197531490), (2, 98765745), (3, 65843830), (5, 39506298), (6, 32921915), (10, 19753149), (13, 15194730), (15, 13168766), (26, 7597365), (30, 6584383), (39, 5064910), (65, 3038946), (78, 2532455), (130, 1519473), (195, 1012982), (390, 506491)]