209929121272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1\times {\mathrm{60257}}^1$

素因数の和:60656

約数の個数: 64

約数和(自身を含む): 428723618400

約数和(自身を除く): 218794497128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 241, 278, 482, 556, 964, 1112, 1807, 1928, 3133, 3614, 6266, 7228, 12532, 14456, 25064, 33499, 60257, 66998, 120514, 133996, 241028, 267992, 435487, 482056, 783341, 870974, 1566682, 1741948, 3133364, 3483896, 6266728, 8375723, 14521937, 16751446, 29043874, 33502892, 58087748, 67005784, 108884399, 116175496, 188785181, 217768798, 377570362, 435537596, 755140724, 871075192, 1510281448, 2018549243, 4037098486, 8074196972, 16148393944, 26241140159, 52482280318, 104964560636, 209929121272]

約数ペア:

[(1, 209929121272), (2, 104964560636), (4, 52482280318), (8, 26241140159), (13, 16148393944), (26, 8074196972), (52, 4037098486), (104, 2018549243), (139, 1510281448), (241, 871075192), (278, 755140724), (482, 435537596), (556, 377570362), (964, 217768798), (1112, 188785181), (1807, 116175496), (1928, 108884399), (3133, 67005784), (3614, 58087748), (6266, 33502892), (7228, 29043874), (12532, 16751446), (14456, 14521937), (25064, 8375723), (33499, 6266728), (60257, 3483896), (66998, 3133364), (120514, 1741948), (133996, 1566682), (241028, 870974), (267992, 783341), (435487, 482056)]