9977975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 15379968

約数和(自身を除く): 5401993

約数列:

[1, 5, 7, 23, 25, 35, 37, 67, 115, 161, 175, 185, 259, 335, 469, 575, 805, 851, 925, 1295, 1541, 1675, 2345, 2479, 4025, 4255, 5957, 6475, 7705, 10787, 11725, 12395, 17353, 21275, 29785, 38525, 53935, 57017, 61975, 86765, 148925, 269675, 285085, 399119, 433825, 1425425, 1995595, 9977975]

約数ペア:

[(1, 9977975), (5, 1995595), (7, 1425425), (23, 433825), (25, 399119), (35, 285085), (37, 269675), (67, 148925), (115, 86765), (161, 61975), (175, 57017), (185, 53935), (259, 38525), (335, 29785), (469, 21275), (575, 17353), (805, 12395), (851, 11725), (925, 10787), (1295, 7705), (1541, 6475), (1675, 5957), (2345, 4255), (2479, 4025)]