128624912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1291}}^1$

素因数の和:1791

約数の個数: 40

約数和(自身を含む): 269149440

約数和(自身を除く): 140524528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 479, 958, 1291, 1916, 2582, 3832, 5164, 6227, 7664, 10328, 12454, 16783, 20656, 24908, 33566, 49816, 67132, 99632, 134264, 268528, 618389, 1236778, 2473556, 4947112, 8039057, 9894224, 16078114, 32156228, 64312456, 128624912]

約数ペア:

[(1, 128624912), (2, 64312456), (4, 32156228), (8, 16078114), (13, 9894224), (16, 8039057), (26, 4947112), (52, 2473556), (104, 1236778), (208, 618389), (479, 268528), (958, 134264), (1291, 99632), (1916, 67132), (2582, 49816), (3832, 33566), (5164, 24908), (6227, 20656), (7664, 16783), (10328, 12454)]