221296135

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 290949120

約数和(自身を除く): 69652985

約数列:

[1, 5, 19, 31, 95, 155, 163, 461, 589, 815, 2305, 2945, 3097, 5053, 8759, 14291, 15485, 25265, 43795, 71455, 75143, 96007, 271529, 375715, 480035, 1357645, 1427717, 2329433, 7138585, 11647165, 44259227, 221296135]

約数ペア:

[(1, 221296135), (5, 44259227), (19, 11647165), (31, 7138585), (95, 2329433), (155, 1427717), (163, 1357645), (461, 480035), (589, 375715), (815, 271529), (2305, 96007), (2945, 75143), (3097, 71455), (5053, 43795), (8759, 25265), (14291, 15485)]