128628188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{641}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 258207264

約数和(自身を除く): 129579076

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 227, 442, 454, 641, 884, 908, 1282, 2564, 2951, 3859, 5902, 7718, 8333, 10897, 11804, 15436, 16666, 21794, 33332, 43588, 50167, 100334, 141661, 145507, 200668, 283322, 291014, 566644, 582028, 1891591, 2473619, 3783182, 4947238, 7566364, 9894476, 32157047, 64314094, 128628188]

約数ペア:

[(1, 128628188), (2, 64314094), (4, 32157047), (13, 9894476), (17, 7566364), (26, 4947238), (34, 3783182), (52, 2473619), (68, 1891591), (221, 582028), (227, 566644), (442, 291014), (454, 283322), (641, 200668), (884, 145507), (908, 141661), (1282, 100334), (2564, 50167), (2951, 43588), (3859, 33332), (5902, 21794), (7718, 16666), (8333, 15436), (10897, 11804)]