13647940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 30672432

約数和(自身を除く): 17024492

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 293, 340, 548, 586, 685, 1172, 1370, 1465, 2329, 2740, 2930, 4658, 4981, 5860, 9316, 9962, 11645, 19924, 23290, 24905, 40141, 46580, 49810, 80282, 99620, 160564, 200705, 401410, 682397, 802820, 1364794, 2729588, 3411985, 6823970, 13647940]

約数ペア:

[(1, 13647940), (2, 6823970), (4, 3411985), (5, 2729588), (10, 1364794), (17, 802820), (20, 682397), (34, 401410), (68, 200705), (85, 160564), (137, 99620), (170, 80282), (274, 49810), (293, 46580), (340, 40141), (548, 24905), (586, 23290), (685, 19924), (1172, 11645), (1370, 9962), (1465, 9316), (2329, 5860), (2740, 4981), (2930, 4658)]