208964528

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{853}}^1$

素因数の和:1173

約数の個数: 40

約数和(自身を含む): 413629776

約数和(自身を除く): 204665248

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 251, 488, 502, 853, 976, 1004, 1706, 2008, 3412, 4016, 6824, 13648, 15311, 30622, 52033, 61244, 104066, 122488, 208132, 214103, 244976, 416264, 428206, 832528, 856412, 1712824, 3425648, 13060283, 26120566, 52241132, 104482264, 208964528]

約数ペア:

[(1, 208964528), (2, 104482264), (4, 52241132), (8, 26120566), (16, 13060283), (61, 3425648), (122, 1712824), (244, 856412), (251, 832528), (488, 428206), (502, 416264), (853, 244976), (976, 214103), (1004, 208132), (1706, 122488), (2008, 104066), (3412, 61244), (4016, 52033), (6824, 30622), (13648, 15311)]