549575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 24

約数和(自身を含む): 781200

約数和(自身を除く): 231625

約数列:

[1, 5, 13, 19, 25, 65, 89, 95, 247, 325, 445, 475, 1157, 1235, 1691, 2225, 5785, 6175, 8455, 21983, 28925, 42275, 109915, 549575]

約数ペア:

[(1, 549575), (5, 109915), (13, 42275), (19, 28925), (25, 21983), (65, 8455), (89, 6175), (95, 5785), (247, 2225), (325, 1691), (445, 1235), (475, 1157)]