128857498706

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1\times {\mathrm{1993}}^1$

素因数の和:2994

約数の個数: 32

約数和(自身を含む): 195300336000

約数和(自身を除く): 66442837294

約数列:

[1, 2, 211, 349, 422, 439, 698, 878, 1993, 3986, 73639, 92629, 147278, 153211, 185258, 306422, 420523, 695557, 841046, 874927, 1391114, 1749854, 32327521, 64655042, 146762527, 184609597, 293525054, 305349523, 369219194, 610699046, 64428749353, 128857498706]

約数ペア:

[(1, 128857498706), (2, 64428749353), (211, 610699046), (349, 369219194), (422, 305349523), (439, 293525054), (698, 184609597), (878, 146762527), (1993, 64655042), (3986, 32327521), (73639, 1749854), (92629, 1391114), (147278, 874927), (153211, 841046), (185258, 695557), (306422, 420523)]