331389175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 472969728

約数和(自身を除く): 141580553

約数列:

[1, 5, 13, 23, 25, 43, 65, 115, 215, 299, 325, 559, 575, 989, 1031, 1075, 1495, 2795, 4945, 5155, 7475, 12857, 13403, 13975, 23713, 24725, 25775, 44333, 64285, 67015, 118565, 221665, 308269, 321425, 335075, 576329, 592825, 1019659, 1108325, 1541345, 2881645, 5098295, 7706725, 13255567, 14408225, 25491475, 66277835, 331389175]

約数ペア:

[(1, 331389175), (5, 66277835), (13, 25491475), (23, 14408225), (25, 13255567), (43, 7706725), (65, 5098295), (115, 2881645), (215, 1541345), (299, 1108325), (325, 1019659), (559, 592825), (575, 576329), (989, 335075), (1031, 321425), (1075, 308269), (1495, 221665), (2795, 118565), (4945, 67015), (5155, 64285), (7475, 44333), (12857, 25775), (13403, 24725), (13975, 23713)]