838156988

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:554

約数の個数: 36

約数和(自身を含む): 1502363016

約数和(自身を除く): 664206028

約数列:

[1, 2, 4, 71, 142, 197, 211, 284, 394, 422, 788, 844, 5041, 10082, 13987, 14981, 20164, 27974, 29962, 41567, 55948, 59924, 83134, 166268, 993077, 1063651, 1986154, 2127302, 2951257, 3972308, 4254604, 5902514, 11805028, 209539247, 419078494, 838156988]

約数ペア:

[(1, 838156988), (2, 419078494), (4, 209539247), (71, 11805028), (142, 5902514), (197, 4254604), (211, 3972308), (284, 2951257), (394, 2127302), (422, 1986154), (788, 1063651), (844, 993077), (5041, 166268), (10082, 83134), (13987, 59924), (14981, 55948), (20164, 41567), (27974, 29962)]