81505668

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:241

約数の個数: 96

約数和(自身を含む): 208857600

約数和(自身を除く): 127351932

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 59, 73, 76, 83, 114, 118, 146, 166, 177, 219, 228, 236, 249, 292, 332, 354, 438, 498, 708, 876, 996, 1121, 1387, 1577, 2242, 2774, 3154, 3363, 4161, 4307, 4484, 4731, 4897, 5548, 6059, 6308, 6726, 8322, 8614, 9462, 9794, 12118, 12921, 13452, 14691, 16644, 17228, 18177, 18924, 19588, 24236, 25842, 29382, 36354, 51684, 58764, 72708, 81833, 93043, 115121, 163666, 186086, 230242, 245499, 279129, 327332, 345363, 357481, 372172, 460484, 490998, 558258, 690726, 714962, 981996, 1072443, 1116516, 1381452, 1429924, 2144886, 4289772, 6792139, 13584278, 20376417, 27168556, 40752834, 81505668]

約数ペア:

[(1, 81505668), (2, 40752834), (3, 27168556), (4, 20376417), (6, 13584278), (12, 6792139), (19, 4289772), (38, 2144886), (57, 1429924), (59, 1381452), (73, 1116516), (76, 1072443), (83, 981996), (114, 714962), (118, 690726), (146, 558258), (166, 490998), (177, 460484), (219, 372172), (228, 357481), (236, 345363), (249, 327332), (292, 279129), (332, 245499), (354, 230242), (438, 186086), (498, 163666), (708, 115121), (876, 93043), (996, 81833), (1121, 72708), (1387, 58764), (1577, 51684), (2242, 36354), (2774, 29382), (3154, 25842), (3363, 24236), (4161, 19588), (4307, 18924), (4484, 18177), (4731, 17228), (4897, 16644), (5548, 14691), (6059, 13452), (6308, 12921), (6726, 12118), (8322, 9794), (8614, 9462)]