25712336

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:328

約数の個数: 60

約数和(自身を含む): 55618092

約数和(自身を除く): 29905756

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 169, 208, 257, 296, 338, 481, 514, 592, 676, 962, 1028, 1352, 1924, 2056, 2704, 3341, 3848, 4112, 6253, 6682, 7696, 9509, 12506, 13364, 19018, 25012, 26728, 38036, 43433, 50024, 53456, 76072, 86866, 100048, 123617, 152144, 173732, 247234, 347464, 494468, 694928, 988936, 1607021, 1977872, 3214042, 6428084, 12856168, 25712336]

約数ペア:

[(1, 25712336), (2, 12856168), (4, 6428084), (8, 3214042), (13, 1977872), (16, 1607021), (26, 988936), (37, 694928), (52, 494468), (74, 347464), (104, 247234), (148, 173732), (169, 152144), (208, 123617), (257, 100048), (296, 86866), (338, 76072), (481, 53456), (514, 50024), (592, 43433), (676, 38036), (962, 26728), (1028, 25012), (1352, 19018), (1924, 13364), (2056, 12506), (2704, 9509), (3341, 7696), (3848, 6682), (4112, 6253)]