61878790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 118397376

約数和(自身を除く): 56518586

約数列:

[1, 2, 5, 10, 31, 47, 62, 94, 137, 155, 235, 274, 310, 470, 685, 961, 1370, 1457, 1922, 2914, 4247, 4805, 6439, 7285, 8494, 9610, 12878, 14570, 21235, 32195, 42470, 45167, 64390, 90334, 131657, 199609, 225835, 263314, 399218, 451670, 658285, 998045, 1316570, 1996090, 6187879, 12375758, 30939395, 61878790]

約数ペア:

[(1, 61878790), (2, 30939395), (5, 12375758), (10, 6187879), (31, 1996090), (47, 1316570), (62, 998045), (94, 658285), (137, 451670), (155, 399218), (235, 263314), (274, 225835), (310, 199609), (470, 131657), (685, 90334), (961, 64390), (1370, 45167), (1457, 42470), (1922, 32195), (2914, 21235), (4247, 14570), (4805, 12878), (6439, 9610), (7285, 8494)]