83545775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 115230720

約数和(自身を除く): 31684945

約数列:

[1, 5, 23, 25, 31, 43, 109, 115, 155, 215, 545, 575, 713, 775, 989, 1075, 1333, 2507, 2725, 3379, 3565, 4687, 4945, 6665, 12535, 16895, 17825, 23435, 24725, 30659, 33325, 62675, 77717, 84475, 107801, 117175, 145297, 153295, 388585, 539005, 726485, 766475, 1942925, 2695025, 3341831, 3632425, 16709155, 83545775]

約数ペア:

[(1, 83545775), (5, 16709155), (23, 3632425), (25, 3341831), (31, 2695025), (43, 1942925), (109, 766475), (115, 726485), (155, 539005), (215, 388585), (545, 153295), (575, 145297), (713, 117175), (775, 107801), (989, 84475), (1075, 77717), (1333, 62675), (2507, 33325), (2725, 30659), (3379, 24725), (3565, 23435), (4687, 17825), (4945, 16895), (6665, 12535)]