400000086

素因数分解:

$2^1\times 3^3\times {\mathrm{347}}^1\times {\mathrm{21347}}^1$

素因数の和:21705

約数の個数: 32

約数和(自身を含む): 891492480

約数和(自身を除く): 491492394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 347, 694, 1041, 2082, 3123, 6246, 9369, 18738, 21347, 42694, 64041, 128082, 192123, 384246, 576369, 1152738, 7407409, 14814818, 22222227, 44444454, 66666681, 133333362, 200000043, 400000086]

約数ペア:

[(1, 400000086), (2, 200000043), (3, 133333362), (6, 66666681), (9, 44444454), (18, 22222227), (27, 14814818), (54, 7407409), (347, 1152738), (694, 576369), (1041, 384246), (2082, 192123), (3123, 128082), (6246, 64041), (9369, 42694), (18738, 21347)]