199471825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 295981056

約数和(自身を除く): 96509231

約数列:

[1, 5, 7, 25, 31, 35, 83, 155, 175, 217, 415, 443, 581, 775, 1085, 2075, 2215, 2573, 2905, 3101, 5425, 11075, 12865, 13733, 14525, 15505, 18011, 36769, 64325, 68665, 77525, 90055, 96131, 183845, 257383, 343325, 450275, 480655, 919225, 1139839, 1286915, 2403275, 5699195, 6434575, 7978873, 28495975, 39894365, 199471825]

約数ペア:

[(1, 199471825), (5, 39894365), (7, 28495975), (25, 7978873), (31, 6434575), (35, 5699195), (83, 2403275), (155, 1286915), (175, 1139839), (217, 919225), (415, 480655), (443, 450275), (581, 343325), (775, 257383), (1085, 183845), (2075, 96131), (2215, 90055), (2573, 77525), (2905, 68665), (3101, 64325), (5425, 36769), (11075, 18011), (12865, 15505), (13733, 14525)]