721176170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4463}}^1$

素因数の和:4607

約数の個数: 64

約数和(自身を含む): 1538901504

約数和(自身を除く): 817725334

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 113, 130, 143, 226, 286, 565, 715, 1130, 1243, 1430, 1469, 2486, 2938, 4463, 6215, 7345, 8926, 12430, 14690, 16159, 22315, 32318, 44630, 49093, 58019, 80795, 98186, 116038, 161590, 245465, 290095, 490930, 504319, 580190, 638209, 1008638, 1276418, 2521595, 3191045, 5043190, 5547509, 6382090, 6556147, 11095018, 13112294, 27737545, 32780735, 55475090, 65561470, 72117617, 144235234, 360588085, 721176170]

約数ペア:

[(1, 721176170), (2, 360588085), (5, 144235234), (10, 72117617), (11, 65561470), (13, 55475090), (22, 32780735), (26, 27737545), (55, 13112294), (65, 11095018), (110, 6556147), (113, 6382090), (130, 5547509), (143, 5043190), (226, 3191045), (286, 2521595), (565, 1276418), (715, 1008638), (1130, 638209), (1243, 580190), (1430, 504319), (1469, 490930), (2486, 290095), (2938, 245465), (4463, 161590), (6215, 116038), (7345, 98186), (8926, 80795), (12430, 58019), (14690, 49093), (16159, 44630), (22315, 32318)]