78939972

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1033

約数の個数: 72

約数和(自身を含む): 209139840

約数和(自身を除く): 130199868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 83, 87, 116, 166, 174, 249, 261, 332, 348, 498, 522, 747, 911, 996, 1044, 1494, 1822, 2407, 2733, 2988, 3644, 4814, 5466, 7221, 8199, 9628, 10932, 14442, 16398, 21663, 26419, 28884, 32796, 43326, 52838, 75613, 79257, 86652, 105676, 151226, 158514, 226839, 237771, 302452, 317028, 453678, 475542, 680517, 907356, 951084, 1361034, 2192777, 2722068, 4385554, 6578331, 8771108, 13156662, 19734993, 26313324, 39469986, 78939972]

約数ペア:

[(1, 78939972), (2, 39469986), (3, 26313324), (4, 19734993), (6, 13156662), (9, 8771108), (12, 6578331), (18, 4385554), (29, 2722068), (36, 2192777), (58, 1361034), (83, 951084), (87, 907356), (116, 680517), (166, 475542), (174, 453678), (249, 317028), (261, 302452), (332, 237771), (348, 226839), (498, 158514), (522, 151226), (747, 105676), (911, 86652), (996, 79257), (1044, 75613), (1494, 52838), (1822, 43326), (2407, 32796), (2733, 28884), (2988, 26419), (3644, 21663), (4814, 16398), (5466, 14442), (7221, 10932), (8199, 9628)]