81545392

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 162927072

約数和(自身を除く): 81381680

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 197, 328, 394, 631, 656, 788, 1262, 1576, 2524, 3152, 5048, 8077, 10096, 16154, 25871, 32308, 51742, 64616, 103484, 124307, 129232, 206968, 248614, 413936, 497228, 994456, 1988912, 5096587, 10193174, 20386348, 40772696, 81545392]

約数ペア:

[(1, 81545392), (2, 40772696), (4, 20386348), (8, 10193174), (16, 5096587), (41, 1988912), (82, 994456), (164, 497228), (197, 413936), (328, 248614), (394, 206968), (631, 129232), (656, 124307), (788, 103484), (1262, 64616), (1576, 51742), (2524, 32308), (3152, 25871), (5048, 16154), (8077, 10096)]