27661384

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 53475840

約数和(自身を除く): 25814456

約数列:

[1, 2, 4, 8, 43, 86, 172, 191, 344, 382, 421, 764, 842, 1528, 1684, 3368, 8213, 16426, 18103, 32852, 36206, 65704, 72412, 80411, 144824, 160822, 321644, 643288, 3457673, 6915346, 13830692, 27661384]

約数ペア:

[(1, 27661384), (2, 13830692), (4, 6915346), (8, 3457673), (43, 643288), (86, 321644), (172, 160822), (191, 144824), (344, 80411), (382, 72412), (421, 65704), (764, 36206), (842, 32852), (1528, 18103), (1684, 16426), (3368, 8213)]