12140716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 25546752

約数和(自身を除く): 13406036

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 197, 217, 284, 394, 434, 497, 788, 868, 994, 1379, 1988, 2201, 2758, 4402, 5516, 6107, 8804, 12214, 13987, 15407, 24428, 27974, 30814, 42749, 55948, 61628, 85498, 97909, 170996, 195818, 391636, 433597, 867194, 1734388, 3035179, 6070358, 12140716]

約数ペア:

[(1, 12140716), (2, 6070358), (4, 3035179), (7, 1734388), (14, 867194), (28, 433597), (31, 391636), (62, 195818), (71, 170996), (124, 97909), (142, 85498), (197, 61628), (217, 55948), (284, 42749), (394, 30814), (434, 27974), (497, 24428), (788, 15407), (868, 13987), (994, 12214), (1379, 8804), (1988, 6107), (2201, 5516), (2758, 4402)]