207972325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 296980992

約数和(自身を除く): 89008667

約数列:

[1, 5, 11, 23, 25, 55, 115, 131, 251, 253, 275, 575, 655, 1255, 1265, 1441, 2761, 3013, 3275, 5773, 6275, 6325, 7205, 13805, 15065, 28865, 32881, 33143, 36025, 63503, 69025, 75325, 144325, 164405, 165715, 317515, 361691, 756263, 822025, 828575, 1587575, 1808455, 3781315, 8318893, 9042275, 18906575, 41594465, 207972325]

約数ペア:

[(1, 207972325), (5, 41594465), (11, 18906575), (23, 9042275), (25, 8318893), (55, 3781315), (115, 1808455), (131, 1587575), (251, 828575), (253, 822025), (275, 756263), (575, 361691), (655, 317515), (1255, 165715), (1265, 164405), (1441, 144325), (2761, 75325), (3013, 69025), (3275, 63503), (5773, 36025), (6275, 33143), (6325, 32881), (7205, 28865), (13805, 15065)]