28796075

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2137}}^1$

素因数の和:2172

約数の個数: 36

約数和(自身を含む): 45334152

約数和(自身を除く): 16538077

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1225, 1925, 2137, 2695, 10685, 13475, 14959, 23507, 53425, 74795, 104713, 117535, 164549, 373975, 523565, 587675, 822745, 1151843, 2617825, 4113725, 5759215, 28796075]

約数ペア:

[(1, 28796075), (5, 5759215), (7, 4113725), (11, 2617825), (25, 1151843), (35, 822745), (49, 587675), (55, 523565), (77, 373975), (175, 164549), (245, 117535), (275, 104713), (385, 74795), (539, 53425), (1225, 23507), (1925, 14959), (2137, 13475), (2695, 10685)]