488587785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 913920000

約数和(自身を除く): 425332215

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 199, 201, 335, 349, 469, 597, 995, 1005, 1047, 1393, 1407, 1745, 2345, 2443, 2985, 4179, 5235, 6965, 7035, 7329, 12215, 13333, 20895, 23383, 36645, 39999, 66665, 69451, 70149, 93331, 116915, 163681, 199995, 208353, 279993, 347255, 350745, 466655, 486157, 491043, 818405, 1041765, 1399965, 1458471, 2430785, 2455215, 4653217, 7292355, 13959651, 23266085, 32572519, 69798255, 97717557, 162862595, 488587785]

約数ペア:

[(1, 488587785), (3, 162862595), (5, 97717557), (7, 69798255), (15, 32572519), (21, 23266085), (35, 13959651), (67, 7292355), (105, 4653217), (199, 2455215), (201, 2430785), (335, 1458471), (349, 1399965), (469, 1041765), (597, 818405), (995, 491043), (1005, 486157), (1047, 466655), (1393, 350745), (1407, 347255), (1745, 279993), (2345, 208353), (2443, 199995), (2985, 163681), (4179, 116915), (5235, 93331), (6965, 70149), (7035, 69451), (7329, 66665), (12215, 39999), (13333, 36645), (20895, 23383)]