63856420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{641}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 142693488

約数和(自身を除く): 78837068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 293, 340, 586, 641, 1172, 1282, 1465, 2564, 2930, 3205, 4981, 5860, 6410, 9962, 10897, 12820, 19924, 21794, 24905, 43588, 49810, 54485, 99620, 108970, 187813, 217940, 375626, 751252, 939065, 1878130, 3192821, 3756260, 6385642, 12771284, 15964105, 31928210, 63856420]

約数ペア:

[(1, 63856420), (2, 31928210), (4, 15964105), (5, 12771284), (10, 6385642), (17, 3756260), (20, 3192821), (34, 1878130), (68, 939065), (85, 751252), (170, 375626), (293, 217940), (340, 187813), (586, 108970), (641, 99620), (1172, 54485), (1282, 49810), (1465, 43588), (2564, 24905), (2930, 21794), (3205, 19924), (4981, 12820), (5860, 10897), (6410, 9962)]