31780926

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 72025200

約数和(自身を除く): 40244274

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 107, 174, 214, 261, 321, 522, 569, 642, 963, 1138, 1707, 1926, 3103, 3414, 5121, 6206, 9309, 10242, 16501, 18618, 27927, 33002, 49503, 55854, 60883, 99006, 121766, 148509, 182649, 297018, 365298, 547947, 1095894, 1765607, 3531214, 5296821, 10593642, 15890463, 31780926]

約数ペア:

[(1, 31780926), (2, 15890463), (3, 10593642), (6, 5296821), (9, 3531214), (18, 1765607), (29, 1095894), (58, 547947), (87, 365298), (107, 297018), (174, 182649), (214, 148509), (261, 121766), (321, 99006), (522, 60883), (569, 55854), (642, 49503), (963, 33002), (1138, 27927), (1707, 18618), (1926, 16501), (3103, 10242), (3414, 9309), (5121, 6206)]