980686364

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{15913}}^1$

素因数の和:16026

約数の個数: 48

約数和(自身を含む): 2053287936

約数和(自身を除く): 1072601572

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 284, 434, 497, 868, 994, 1988, 2201, 4402, 8804, 15407, 15913, 30814, 31826, 61628, 63652, 111391, 222782, 445564, 493303, 986606, 1129823, 1973212, 2259646, 3453121, 4519292, 6906242, 7908761, 13812484, 15817522, 31635044, 35024513, 70049026, 140098052, 245171591, 490343182, 980686364]

約数ペア:

[(1, 980686364), (2, 490343182), (4, 245171591), (7, 140098052), (14, 70049026), (28, 35024513), (31, 31635044), (62, 15817522), (71, 13812484), (124, 7908761), (142, 6906242), (217, 4519292), (284, 3453121), (434, 2259646), (497, 1973212), (868, 1129823), (994, 986606), (1988, 493303), (2201, 445564), (4402, 222782), (8804, 111391), (15407, 63652), (15913, 61628), (30814, 31826)]