161980559

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 188987904

約数和(自身を除く): 27007345

約数列:

[1, 13, 23, 61, 83, 107, 299, 793, 1079, 1391, 1403, 1909, 2461, 5063, 6527, 8881, 18239, 24817, 31993, 65819, 84851, 115453, 116449, 150121, 204263, 541741, 1513837, 1951573, 2655419, 7042633, 12460043, 161980559]

約数ペア:

[(1, 161980559), (13, 12460043), (23, 7042633), (61, 2655419), (83, 1951573), (107, 1513837), (299, 541741), (793, 204263), (1079, 150121), (1391, 116449), (1403, 115453), (1909, 84851), (2461, 65819), (5063, 31993), (6527, 24817), (8881, 18239)]