78772516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{2789}}^1$

素因数の和:3123

約数の個数: 24

約数和(自身を含む): 144365760

約数和(自身を除く): 65593244

約数列:

[1, 2, 4, 23, 46, 92, 307, 614, 1228, 2789, 5578, 7061, 11156, 14122, 28244, 64147, 128294, 256588, 856223, 1712446, 3424892, 19693129, 39386258, 78772516]

約数ペア:

[(1, 78772516), (2, 39386258), (4, 19693129), (23, 3424892), (46, 1712446), (92, 856223), (307, 256588), (614, 128294), (1228, 64147), (2789, 28244), (5578, 14122), (7061, 11156)]