71618365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 114960384

約数和(自身を除く): 43342019

約数列:

[1, 5, 7, 13, 17, 35, 47, 65, 85, 91, 119, 197, 221, 235, 329, 455, 595, 611, 799, 985, 1105, 1379, 1547, 1645, 2561, 3055, 3349, 3995, 4277, 5593, 6895, 7735, 9259, 10387, 12805, 16745, 17927, 21385, 23443, 27965, 43537, 46295, 51935, 64813, 72709, 89635, 117215, 120367, 157403, 217685, 304759, 324065, 363545, 601835, 787015, 842569, 1101821, 1523795, 2046239, 4212845, 5509105, 10231195, 14323673, 71618365]

約数ペア:

[(1, 71618365), (5, 14323673), (7, 10231195), (13, 5509105), (17, 4212845), (35, 2046239), (47, 1523795), (65, 1101821), (85, 842569), (91, 787015), (119, 601835), (197, 363545), (221, 324065), (235, 304759), (329, 217685), (455, 157403), (595, 120367), (611, 117215), (799, 89635), (985, 72709), (1105, 64813), (1379, 51935), (1547, 46295), (1645, 43537), (2561, 27965), (3055, 23443), (3349, 21385), (3995, 17927), (4277, 16745), (5593, 12805), (6895, 10387), (7735, 9259)]