664163905

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1498

約数の個数: 32

約数和(自身を含む): 891993600

約数和(自身を除く): 227829695

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 1423, 1445, 1615, 4913, 5491, 7115, 24191, 24565, 27037, 27455, 93347, 120955, 135185, 411247, 459629, 466735, 2056235, 2298145, 6991199, 7813693, 34955995, 39068465, 132832781, 664163905]

約数ペア:

[(1, 664163905), (5, 132832781), (17, 39068465), (19, 34955995), (85, 7813693), (95, 6991199), (289, 2298145), (323, 2056235), (1423, 466735), (1445, 459629), (1615, 411247), (4913, 135185), (5491, 120955), (7115, 93347), (24191, 27455), (24565, 27037)]