8181376

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 19486080

約数和(自身を除く): 11304704

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 397, 448, 644, 736, 794, 896, 1288, 1472, 1588, 2576, 2779, 2944, 3176, 5152, 5558, 6352, 9131, 10304, 11116, 12704, 18262, 20608, 22232, 25408, 36524, 44464, 50816, 63917, 73048, 88928, 127834, 146096, 177856, 255668, 292192, 355712, 511336, 584384, 1022672, 1168768, 2045344, 4090688, 8181376]

約数ペア:

[(1, 8181376), (2, 4090688), (4, 2045344), (7, 1168768), (8, 1022672), (14, 584384), (16, 511336), (23, 355712), (28, 292192), (32, 255668), (46, 177856), (56, 146096), (64, 127834), (92, 88928), (112, 73048), (128, 63917), (161, 50816), (184, 44464), (224, 36524), (322, 25408), (368, 22232), (397, 20608), (448, 18262), (644, 12704), (736, 11116), (794, 10304), (896, 9131), (1288, 6352), (1472, 5558), (1588, 5152), (2576, 3176), (2779, 2944)]