15705556828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{20731}}^1$

素因数の和:21622

約数の個数: 48

約数和(自身を含む): 31378130784

約数和(自身を除く): 15672573956

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 857, 884, 1714, 3428, 11141, 14569, 20731, 22282, 29138, 41462, 44564, 58276, 82924, 189397, 269503, 352427, 378794, 539006, 704854, 757588, 1078012, 1409708, 4581551, 9163102, 17766467, 18326204, 35532934, 71065868, 230964071, 302029939, 461928142, 604059878, 923856284, 1208119756, 3926389207, 7852778414, 15705556828]

約数ペア:

[(1, 15705556828), (2, 7852778414), (4, 3926389207), (13, 1208119756), (17, 923856284), (26, 604059878), (34, 461928142), (52, 302029939), (68, 230964071), (221, 71065868), (442, 35532934), (857, 18326204), (884, 17766467), (1714, 9163102), (3428, 4581551), (11141, 1409708), (14569, 1078012), (20731, 757588), (22282, 704854), (29138, 539006), (41462, 378794), (44564, 352427), (58276, 269503), (82924, 189397)]