989560078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{269}}^1\times {\mathrm{937}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 1616811840

約数和(自身を除く): 627251762

約数列:

[1, 2, 13, 26, 151, 269, 302, 538, 937, 1874, 1963, 3497, 3926, 6994, 12181, 24362, 40619, 81238, 141487, 252053, 282974, 504106, 528047, 1056094, 1839331, 3276689, 3678662, 6553378, 38060003, 76120006, 494780039, 989560078]

約数ペア:

[(1, 989560078), (2, 494780039), (13, 76120006), (26, 38060003), (151, 6553378), (269, 3678662), (302, 3276689), (538, 1839331), (937, 1056094), (1874, 528047), (1963, 504106), (3497, 282974), (3926, 252053), (6994, 141487), (12181, 81238), (24362, 40619)]