81202048

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 172155600

約数和(自身を除く): 90953552

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 173, 193, 304, 346, 386, 608, 692, 772, 1216, 1384, 1544, 2432, 2768, 3088, 3287, 3667, 5536, 6176, 6574, 7334, 11072, 12352, 13148, 14668, 22144, 24704, 26296, 29336, 33389, 52592, 58672, 66778, 105184, 117344, 133556, 210368, 234688, 267112, 420736, 469376, 534224, 634391, 1068448, 1268782, 2136896, 2537564, 4273792, 5075128, 10150256, 20300512, 40601024, 81202048]

約数ペア:

[(1, 81202048), (2, 40601024), (4, 20300512), (8, 10150256), (16, 5075128), (19, 4273792), (32, 2537564), (38, 2136896), (64, 1268782), (76, 1068448), (128, 634391), (152, 534224), (173, 469376), (193, 420736), (304, 267112), (346, 234688), (386, 210368), (608, 133556), (692, 117344), (772, 105184), (1216, 66778), (1384, 58672), (1544, 52592), (2432, 33389), (2768, 29336), (3088, 26296), (3287, 24704), (3667, 22144), (5536, 14668), (6176, 13148), (6574, 12352), (7334, 11072)]