12894388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 26467840

約数和(自身を除く): 13573452

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 421, 494, 589, 806, 842, 988, 1178, 1612, 1684, 2356, 5473, 7657, 7999, 10946, 13051, 15314, 15998, 21892, 26102, 30628, 31996, 52204, 103987, 169663, 207974, 247969, 339326, 415948, 495938, 678652, 991876, 3223597, 6447194, 12894388]

約数ペア:

[(1, 12894388), (2, 6447194), (4, 3223597), (13, 991876), (19, 678652), (26, 495938), (31, 415948), (38, 339326), (52, 247969), (62, 207974), (76, 169663), (124, 103987), (247, 52204), (403, 31996), (421, 30628), (494, 26102), (589, 21892), (806, 15998), (842, 15314), (988, 13051), (1178, 10946), (1612, 7999), (1684, 7657), (2356, 5473)]