166825225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 251412480

約数和(自身を除く): 84587255

約数列:

[1, 5, 7, 19, 25, 35, 95, 131, 133, 175, 383, 475, 655, 665, 917, 1915, 2489, 2681, 3275, 3325, 4585, 7277, 9575, 12445, 13405, 17423, 22925, 36385, 50173, 50939, 62225, 67025, 87115, 181925, 250865, 254695, 351211, 435575, 953287, 1254325, 1273475, 1756055, 4766435, 6673009, 8780275, 23832175, 33365045, 166825225]

約数ペア:

[(1, 166825225), (5, 33365045), (7, 23832175), (19, 8780275), (25, 6673009), (35, 4766435), (95, 1756055), (131, 1273475), (133, 1254325), (175, 953287), (383, 435575), (475, 351211), (655, 254695), (665, 250865), (917, 181925), (1915, 87115), (2489, 67025), (2681, 62225), (3275, 50939), (3325, 50173), (4585, 36385), (7277, 22925), (9575, 17423), (12445, 13405)]