1988588

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 4300800

約数和(自身を除く): 2312212

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 79, 116, 124, 158, 203, 217, 316, 406, 434, 553, 812, 868, 899, 1106, 1798, 2212, 2291, 2449, 3596, 4582, 4898, 6293, 9164, 9796, 12586, 16037, 17143, 25172, 32074, 34286, 64148, 68572, 71021, 142042, 284084, 497147, 994294, 1988588]

約数ペア:

[(1, 1988588), (2, 994294), (4, 497147), (7, 284084), (14, 142042), (28, 71021), (29, 68572), (31, 64148), (58, 34286), (62, 32074), (79, 25172), (116, 17143), (124, 16037), (158, 12586), (203, 9796), (217, 9164), (316, 6293), (406, 4898), (434, 4582), (553, 3596), (812, 2449), (868, 2291), (899, 2212), (1106, 1798)]