638758384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1523}}^1\times {\mathrm{2383}}^1$

素因数の和:3925

約数の個数: 40

約数和(自身を含む): 1351556352

約数和(自身を除く): 712797968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1523, 2383, 3046, 4766, 6092, 9532, 12184, 16753, 19064, 24368, 26213, 33506, 38128, 52426, 67012, 104852, 134024, 209704, 268048, 419408, 3629309, 7258618, 14517236, 29034472, 39922399, 58068944, 79844798, 159689596, 319379192, 638758384]

約数ペア:

[(1, 638758384), (2, 319379192), (4, 159689596), (8, 79844798), (11, 58068944), (16, 39922399), (22, 29034472), (44, 14517236), (88, 7258618), (176, 3629309), (1523, 419408), (2383, 268048), (3046, 209704), (4766, 134024), (6092, 104852), (9532, 67012), (12184, 52426), (16753, 38128), (19064, 33506), (24368, 26213)]