81857412

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8329}}^1$

素因数の和:8362

約数の個数: 96

約数和(自身を含む): 261228800

約数和(自身を除く): 179371388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 84, 91, 108, 117, 126, 156, 182, 189, 234, 252, 273, 351, 364, 378, 468, 546, 702, 756, 819, 1092, 1404, 1638, 2457, 3276, 4914, 8329, 9828, 16658, 24987, 33316, 49974, 58303, 74961, 99948, 108277, 116606, 149922, 174909, 216554, 224883, 233212, 299844, 324831, 349818, 433108, 449766, 524727, 649662, 699636, 757939, 899532, 974493, 1049454, 1299324, 1515878, 1574181, 1948986, 2098908, 2273817, 2923479, 3031756, 3148362, 3897972, 4547634, 5846958, 6296724, 6821451, 9095268, 11693916, 13642902, 20464353, 27285804, 40928706, 81857412]

約数ペア:

[(1, 81857412), (2, 40928706), (3, 27285804), (4, 20464353), (6, 13642902), (7, 11693916), (9, 9095268), (12, 6821451), (13, 6296724), (14, 5846958), (18, 4547634), (21, 3897972), (26, 3148362), (27, 3031756), (28, 2923479), (36, 2273817), (39, 2098908), (42, 1948986), (52, 1574181), (54, 1515878), (63, 1299324), (78, 1049454), (84, 974493), (91, 899532), (108, 757939), (117, 699636), (126, 649662), (156, 524727), (182, 449766), (189, 433108), (234, 349818), (252, 324831), (273, 299844), (351, 233212), (364, 224883), (378, 216554), (468, 174909), (546, 149922), (702, 116606), (756, 108277), (819, 99948), (1092, 74961), (1404, 58303), (1638, 49974), (2457, 33316), (3276, 24987), (4914, 16658), (8329, 9828)]