165489025

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 233735040

約数和(自身を除く): 68246015

約数列:

[1, 5, 13, 23, 25, 65, 115, 131, 169, 299, 325, 575, 655, 845, 1495, 1703, 2197, 3013, 3275, 3887, 4225, 7475, 8515, 10985, 15065, 19435, 22139, 39169, 42575, 50531, 54925, 75325, 97175, 110695, 195845, 252655, 287807, 509197, 553475, 979225, 1263275, 1439035, 2545985, 6619561, 7195175, 12729925, 33097805, 165489025]

約数ペア:

[(1, 165489025), (5, 33097805), (13, 12729925), (23, 7195175), (25, 6619561), (65, 2545985), (115, 1439035), (131, 1263275), (169, 979225), (299, 553475), (325, 509197), (575, 287807), (655, 252655), (845, 195845), (1495, 110695), (1703, 97175), (2197, 75325), (3013, 54925), (3275, 50531), (3887, 42575), (4225, 39169), (7475, 22139), (8515, 19435), (10985, 15065)]