128897996972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1\times {\mathrm{63929}}^1$

素因数の和:64298

約数の個数: 48

約数和(自身を含む): 241655400000

約数和(自身を除く): 112757403028

約数列:

[1, 2, 4, 17, 34, 68, 149, 199, 298, 398, 596, 796, 2533, 3383, 5066, 6766, 10132, 13532, 29651, 59302, 63929, 118604, 127858, 255716, 504067, 1008134, 1086793, 2016268, 2173586, 4347172, 9525421, 12721871, 19050842, 25443742, 38101684, 50887484, 161932157, 216271807, 323864314, 432543614, 647728628, 865087228, 1895558779, 3791117558, 7582235116, 32224499243, 64448998486, 128897996972]

約数ペア:

[(1, 128897996972), (2, 64448998486), (4, 32224499243), (17, 7582235116), (34, 3791117558), (68, 1895558779), (149, 865087228), (199, 647728628), (298, 432543614), (398, 323864314), (596, 216271807), (796, 161932157), (2533, 50887484), (3383, 38101684), (5066, 25443742), (6766, 19050842), (10132, 12721871), (13532, 9525421), (29651, 4347172), (59302, 2173586), (63929, 2016268), (118604, 1086793), (127858, 1008134), (255716, 504067)]