81639492

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 218308608

約数和(自身を除く): 136669116

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 71, 93, 124, 132, 142, 186, 213, 281, 284, 341, 372, 426, 562, 682, 781, 843, 852, 1023, 1124, 1364, 1562, 1686, 2046, 2201, 2343, 3091, 3124, 3372, 4092, 4402, 4686, 6182, 6603, 8711, 8804, 9273, 9372, 12364, 13206, 17422, 18546, 19951, 24211, 26133, 26412, 34844, 37092, 39902, 48422, 52266, 59853, 72633, 79804, 95821, 96844, 104532, 119706, 145266, 191642, 219461, 239412, 287463, 290532, 383284, 438922, 574926, 618481, 658383, 877844, 1149852, 1236962, 1316766, 1855443, 2473924, 2633532, 3710886, 6803291, 7421772, 13606582, 20409873, 27213164, 40819746, 81639492]

約数ペア:

[(1, 81639492), (2, 40819746), (3, 27213164), (4, 20409873), (6, 13606582), (11, 7421772), (12, 6803291), (22, 3710886), (31, 2633532), (33, 2473924), (44, 1855443), (62, 1316766), (66, 1236962), (71, 1149852), (93, 877844), (124, 658383), (132, 618481), (142, 574926), (186, 438922), (213, 383284), (281, 290532), (284, 287463), (341, 239412), (372, 219461), (426, 191642), (562, 145266), (682, 119706), (781, 104532), (843, 96844), (852, 95821), (1023, 79804), (1124, 72633), (1364, 59853), (1562, 52266), (1686, 48422), (2046, 39902), (2201, 37092), (2343, 34844), (3091, 26412), (3124, 26133), (3372, 24211), (4092, 19951), (4402, 18546), (4686, 17422), (6182, 13206), (6603, 12364), (8711, 9372), (8804, 9273)]