66781936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10357}}^1$

素因数の和:10409

約数の個数: 40

約数和(自身を含む): 143851904

約数和(自身を除く): 77069968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 10357, 20714, 41428, 82856, 134641, 165712, 269282, 321067, 538564, 642134, 1077128, 1284268, 2154256, 2568536, 4173871, 5137072, 8347742, 16695484, 33390968, 66781936]

約数ペア:

[(1, 66781936), (2, 33390968), (4, 16695484), (8, 8347742), (13, 5137072), (16, 4173871), (26, 2568536), (31, 2154256), (52, 1284268), (62, 1077128), (104, 642134), (124, 538564), (208, 321067), (248, 269282), (403, 165712), (496, 134641), (806, 82856), (1612, 41428), (3224, 20714), (6448, 10357)]