81171130

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 148443840

約数和(自身を除く): 67272710

約数列:

[1, 2, 5, 10, 137, 179, 274, 331, 358, 662, 685, 895, 1370, 1655, 1790, 3310, 24523, 45347, 49046, 59249, 90694, 118498, 122615, 226735, 245230, 296245, 453470, 592490, 8117113, 16234226, 40585565, 81171130]

約数ペア:

[(1, 81171130), (2, 40585565), (5, 16234226), (10, 8117113), (137, 592490), (179, 453470), (274, 296245), (331, 245230), (358, 226735), (662, 122615), (685, 118498), (895, 90694), (1370, 59249), (1655, 49046), (1790, 45347), (3310, 24523)]