81891119.000000000

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^3\times {\mathrm{313}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 448392000

約数和(自身を除く): 299857224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 169, 216, 234, 312, 313, 338, 351, 468, 507, 626, 676, 702, 936, 939, 1014, 1252, 1352, 1404, 1521, 1878, 2028, 2197, 2504, 2808, 2817, 3042, 3756, 4056, 4069, 4394, 4563, 5634, 6084, 6591, 7512, 8138, 8451, 8788, 9126, 11268, 12168, 12207, 13182, 16276, 16902, 17576, 18252, 19773, 22536, 24414, 26364, 32552, 33804, 36504, 36621, 39546, 48828, 52728, 52897, 59319, 67608, 73242, 79092, 97656, 105794, 109863, 118638, 146484, 158184, 158691, 211588, 219726, 237276, 292968, 317382, 423176, 439452, 474552, 476073, 634764, 687661, 878904, 952146, 1269528, 1375322, 1428219, 1904292, 2062983, 2750644, 2856438, 3808584, 4125966, 5501288, 5712876, 6188949, 8251932, 11425752, 12377898, 16503864, 18566847, 24755796, 37133694, 49511592, 74267388, 148534776]

約数ペア:

[(1, 148534776), (2, 74267388), (3, 49511592), (4, 37133694), (6, 24755796), (8, 18566847), (9, 16503864), (12, 12377898), (13, 11425752), (18, 8251932), (24, 6188949), (26, 5712876), (27, 5501288), (36, 4125966), (39, 3808584), (52, 2856438), (54, 2750644), (72, 2062983), (78, 1904292), (104, 1428219), (108, 1375322), (117, 1269528), (156, 952146), (169, 878904), (216, 687661), (234, 634764), (312, 476073), (313, 474552), (338, 439452), (351, 423176), (468, 317382), (507, 292968), (626, 237276), (676, 219726), (702, 211588), (936, 158691), (939, 158184), (1014, 146484), (1252, 118638), (1352, 109863), (1404, 105794), (1521, 97656), (1878, 79092), (2028, 73242), (2197, 67608), (2504, 59319), (2808, 52897), (2817, 52728), (3042, 48828), (3756, 39546), (4056, 36621), (4069, 36504), (4394, 33804), (4563, 32552), (5634, 26364), (6084, 24414), (6591, 22536), (7512, 19773), (8138, 18252), (8451, 17576), (8788, 16902), (9126, 16276), (11268, 13182), (12168, 12207)]