9215990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 19732896

約数和(自身を除く): 10516906

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 137, 155, 217, 274, 310, 434, 685, 959, 961, 1085, 1370, 1918, 1922, 2170, 4247, 4795, 4805, 6727, 8494, 9590, 9610, 13454, 21235, 29729, 33635, 42470, 59458, 67270, 131657, 148645, 263314, 297290, 658285, 921599, 1316570, 1843198, 4607995, 9215990]

約数ペア:

[(1, 9215990), (2, 4607995), (5, 1843198), (7, 1316570), (10, 921599), (14, 658285), (31, 297290), (35, 263314), (62, 148645), (70, 131657), (137, 67270), (155, 59458), (217, 42470), (274, 33635), (310, 29729), (434, 21235), (685, 13454), (959, 9610), (961, 9590), (1085, 8494), (1370, 6727), (1918, 4805), (1922, 4795), (2170, 4247)]