66807728

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:862

約数の個数: 60

約数和(自身を含む): 144865728

約数和(自身を除く): 78058000

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 797, 806, 1352, 1594, 1612, 2704, 3188, 3224, 5239, 6376, 6448, 10361, 10478, 12752, 20722, 20956, 24707, 41444, 41912, 49414, 82888, 83824, 98828, 134693, 165776, 197656, 269386, 321191, 395312, 538772, 642382, 1077544, 1284764, 2155088, 2569528, 4175483, 5139056, 8350966, 16701932, 33403864, 66807728]

約数ペア:

[(1, 66807728), (2, 33403864), (4, 16701932), (8, 8350966), (13, 5139056), (16, 4175483), (26, 2569528), (31, 2155088), (52, 1284764), (62, 1077544), (104, 642382), (124, 538772), (169, 395312), (208, 321191), (248, 269386), (338, 197656), (403, 165776), (496, 134693), (676, 98828), (797, 83824), (806, 82888), (1352, 49414), (1594, 41912), (1612, 41444), (2704, 24707), (3188, 20956), (3224, 20722), (5239, 12752), (6376, 10478), (6448, 10361)]