12779936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 48

約数和(自身を含む): 27998208

約数和(自身を除く): 15218272

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 991, 992, 1612, 1982, 3224, 3964, 6448, 7928, 12883, 12896, 15856, 25766, 30721, 31712, 51532, 61442, 103064, 122884, 206128, 245768, 399373, 412256, 491536, 798746, 983072, 1597492, 3194984, 6389968, 12779936]

約数ペア:

[(1, 12779936), (2, 6389968), (4, 3194984), (8, 1597492), (13, 983072), (16, 798746), (26, 491536), (31, 412256), (32, 399373), (52, 245768), (62, 206128), (104, 122884), (124, 103064), (208, 61442), (248, 51532), (403, 31712), (416, 30721), (496, 25766), (806, 15856), (991, 12896), (992, 12883), (1612, 7928), (1982, 6448), (3224, 3964)]