256400596

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 502951680

約数和(自身を除く): 246551084

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 71, 92, 142, 284, 391, 782, 1207, 1564, 1633, 2309, 2414, 3266, 4618, 4828, 6532, 9236, 27761, 39253, 53107, 55522, 78506, 106214, 111044, 157012, 163939, 212428, 327878, 655756, 902819, 1805638, 2786963, 3611276, 3770597, 5573926, 7541194, 11147852, 15082388, 64100149, 128200298, 256400596]

約数ペア:

[(1, 256400596), (2, 128200298), (4, 64100149), (17, 15082388), (23, 11147852), (34, 7541194), (46, 5573926), (68, 3770597), (71, 3611276), (92, 2786963), (142, 1805638), (284, 902819), (391, 655756), (782, 327878), (1207, 212428), (1564, 163939), (1633, 157012), (2309, 111044), (2414, 106214), (3266, 78506), (4618, 55522), (4828, 53107), (6532, 39253), (9236, 27761)]