81467876

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5521}}^1$

素因数の和:5580

約数の個数: 48

約数和(自身を含む): 178117632

約数和(自身を除く): 96649756

約数列:

[1, 2, 4, 7, 14, 17, 28, 31, 34, 62, 68, 119, 124, 217, 238, 434, 476, 527, 868, 1054, 2108, 3689, 5521, 7378, 11042, 14756, 22084, 38647, 77294, 93857, 154588, 171151, 187714, 342302, 375428, 656999, 684604, 1198057, 1313998, 2396114, 2627996, 2909567, 4792228, 5819134, 11638268, 20366969, 40733938, 81467876]

約数ペア:

[(1, 81467876), (2, 40733938), (4, 20366969), (7, 11638268), (14, 5819134), (17, 4792228), (28, 2909567), (31, 2627996), (34, 2396114), (62, 1313998), (68, 1198057), (119, 684604), (124, 656999), (217, 375428), (238, 342302), (434, 187714), (476, 171151), (527, 154588), (868, 93857), (1054, 77294), (2108, 38647), (3689, 22084), (5521, 14756), (7378, 11042)]