66842875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 91855296

約数和(自身を除く): 25012421

約数列:

[1, 5, 11, 25, 55, 125, 173, 275, 281, 865, 1375, 1405, 1903, 3091, 4325, 7025, 9515, 15455, 21625, 35125, 47575, 48613, 77275, 237875, 243065, 386375, 534743, 1215325, 2673715, 6076625, 13368575, 66842875]

約数ペア:

[(1, 66842875), (5, 13368575), (11, 6076625), (25, 2673715), (55, 1215325), (125, 534743), (173, 386375), (275, 243065), (281, 237875), (865, 77275), (1375, 48613), (1405, 47575), (1903, 35125), (3091, 21625), (4325, 15455), (7025, 9515)]