245817104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 538298880

約数和(自身を除く): 292481776

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 67, 104, 124, 134, 208, 248, 268, 403, 496, 536, 569, 806, 871, 1072, 1138, 1612, 1742, 2077, 2276, 3224, 3484, 4154, 4552, 6448, 6968, 7397, 8308, 9104, 13936, 14794, 16616, 17639, 27001, 29588, 33232, 35278, 38123, 54002, 59176, 70556, 76246, 108004, 118352, 141112, 152492, 216008, 229307, 282224, 304984, 432016, 458614, 495599, 609968, 917228, 991198, 1181813, 1834456, 1982396, 2363626, 3668912, 3964792, 4727252, 7929584, 9454504, 15363569, 18909008, 30727138, 61454276, 122908552, 245817104]

約数ペア:

[(1, 245817104), (2, 122908552), (4, 61454276), (8, 30727138), (13, 18909008), (16, 15363569), (26, 9454504), (31, 7929584), (52, 4727252), (62, 3964792), (67, 3668912), (104, 2363626), (124, 1982396), (134, 1834456), (208, 1181813), (248, 991198), (268, 917228), (403, 609968), (496, 495599), (536, 458614), (569, 432016), (806, 304984), (871, 282224), (1072, 229307), (1138, 216008), (1612, 152492), (1742, 141112), (2077, 118352), (2276, 108004), (3224, 76246), (3484, 70556), (4154, 59176), (4552, 54002), (6448, 38123), (6968, 35278), (7397, 33232), (8308, 29588), (9104, 27001), (13936, 17639), (14794, 16616)]