1787212

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 3870720

約数和(自身を除く): 2083508

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 71, 116, 124, 142, 203, 217, 284, 406, 434, 497, 812, 868, 899, 994, 1798, 1988, 2059, 2201, 3596, 4118, 4402, 6293, 8236, 8804, 12586, 14413, 15407, 25172, 28826, 30814, 57652, 61628, 63829, 127658, 255316, 446803, 893606, 1787212]

約数ペア:

[(1, 1787212), (2, 893606), (4, 446803), (7, 255316), (14, 127658), (28, 63829), (29, 61628), (31, 57652), (58, 30814), (62, 28826), (71, 25172), (116, 15407), (124, 14413), (142, 12586), (203, 8804), (217, 8236), (284, 6293), (406, 4402), (434, 4118), (497, 3596), (812, 2201), (868, 2059), (899, 1988), (994, 1798)]