65310025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 93708288

約数和(自身を除く): 28398263

約数列:

[1, 5, 11, 25, 31, 47, 55, 155, 163, 235, 275, 341, 517, 775, 815, 1175, 1457, 1705, 1793, 2585, 4075, 5053, 7285, 7661, 8525, 8965, 12925, 16027, 25265, 36425, 38305, 44825, 55583, 80135, 84271, 126325, 191525, 237491, 277915, 400675, 421355, 1187455, 1389575, 2106775, 2612401, 5937275, 13062005, 65310025]

約数ペア:

[(1, 65310025), (5, 13062005), (11, 5937275), (25, 2612401), (31, 2106775), (47, 1389575), (55, 1187455), (155, 421355), (163, 400675), (235, 277915), (275, 237491), (341, 191525), (517, 126325), (775, 84271), (815, 80135), (1175, 55583), (1457, 44825), (1705, 38305), (1793, 36425), (2585, 25265), (4075, 16027), (5053, 12925), (7285, 8965), (7661, 8525)]