163923925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 236145600

約数和(自身を除く): 72221675

約数列:

[1, 5, 11, 19, 25, 55, 95, 137, 209, 229, 275, 475, 685, 1045, 1145, 1507, 2519, 2603, 3425, 4351, 5225, 5725, 7535, 12595, 13015, 21755, 28633, 31373, 37675, 47861, 62975, 65075, 108775, 143165, 156865, 239305, 345103, 596087, 715825, 784325, 1196525, 1725515, 2980435, 6556957, 8627575, 14902175, 32784785, 163923925]

約数ペア:

[(1, 163923925), (5, 32784785), (11, 14902175), (19, 8627575), (25, 6556957), (55, 2980435), (95, 1725515), (137, 1196525), (209, 784325), (229, 715825), (275, 596087), (475, 345103), (685, 239305), (1045, 156865), (1145, 143165), (1507, 108775), (2519, 65075), (2603, 62975), (3425, 47861), (4351, 37675), (5225, 31373), (5725, 28633), (7535, 21755), (12595, 13015)]