281405904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{450971}}^1$

素因数の和:450995

約数の個数: 40

約数和(自身を含む): 782887392

約数和(自身を除く): 501481488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 450971, 901942, 1352913, 1803884, 2705826, 3607768, 5411652, 5862623, 7215536, 10823304, 11725246, 17587869, 21646608, 23450492, 35175738, 46900984, 70351476, 93801968, 140702952, 281405904]

約数ペア:

[(1, 281405904), (2, 140702952), (3, 93801968), (4, 70351476), (6, 46900984), (8, 35175738), (12, 23450492), (13, 21646608), (16, 17587869), (24, 11725246), (26, 10823304), (39, 7215536), (48, 5862623), (52, 5411652), (78, 3607768), (104, 2705826), (156, 1803884), (208, 1352913), (312, 901942), (624, 450971)]