201078535

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 304330752

約数和(自身を除く): 103252217

約数列:

[1, 5, 7, 23, 35, 37, 43, 115, 157, 161, 185, 215, 259, 301, 785, 805, 851, 989, 1099, 1295, 1505, 1591, 3611, 4255, 4945, 5495, 5809, 5957, 6751, 6923, 7955, 11137, 18055, 25277, 29045, 29785, 33755, 34615, 36593, 40663, 47257, 55685, 126385, 133607, 155273, 182965, 203315, 236285, 249787, 256151, 668035, 776365, 935249, 1086911, 1248935, 1280755, 1748509, 4676245, 5434555, 5745101, 8742545, 28725505, 40215707, 201078535]

約数ペア:

[(1, 201078535), (5, 40215707), (7, 28725505), (23, 8742545), (35, 5745101), (37, 5434555), (43, 4676245), (115, 1748509), (157, 1280755), (161, 1248935), (185, 1086911), (215, 935249), (259, 776365), (301, 668035), (785, 256151), (805, 249787), (851, 236285), (989, 203315), (1099, 182965), (1295, 155273), (1505, 133607), (1591, 126385), (3611, 55685), (4255, 47257), (4945, 40663), (5495, 36593), (5809, 34615), (5957, 33755), (6751, 29785), (6923, 29045), (7955, 25277), (11137, 18055)]