201990428493

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{509}}^1\times {\mathrm{953}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 313876684800

約数和(自身を除く): 111886256307

約数列:

[1, 3, 7, 21, 79, 237, 251, 509, 553, 753, 953, 1527, 1659, 1757, 2859, 3563, 5271, 6671, 10689, 19829, 20013, 40211, 59487, 75287, 120633, 127759, 138803, 225861, 239203, 281477, 383277, 416409, 485077, 527009, 717609, 844431, 894313, 1455231, 1581027, 1674421, 2682939, 3395539, 5023263, 10092961, 10186617, 18897037, 30278883, 38321083, 56691111, 70650727, 114963249, 121754327, 132279259, 211952181, 268247581, 365262981, 396837777, 804742743, 852280289, 2556840867, 9618591833, 28855775499, 67330142831, 201990428493]

約数ペア:

[(1, 201990428493), (3, 67330142831), (7, 28855775499), (21, 9618591833), (79, 2556840867), (237, 852280289), (251, 804742743), (509, 396837777), (553, 365262981), (753, 268247581), (953, 211952181), (1527, 132279259), (1659, 121754327), (1757, 114963249), (2859, 70650727), (3563, 56691111), (5271, 38321083), (6671, 30278883), (10689, 18897037), (19829, 10186617), (20013, 10092961), (40211, 5023263), (59487, 3395539), (75287, 2682939), (120633, 1674421), (127759, 1581027), (138803, 1455231), (225861, 894313), (239203, 844431), (281477, 717609), (383277, 527009), (416409, 485077)]