72771839

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 90685440

約数和(自身を除く): 17913601

約数列:

[1, 7, 23, 47, 59, 161, 163, 329, 413, 1081, 1141, 1357, 2773, 3749, 7567, 7661, 9499, 9617, 19411, 26243, 53627, 63779, 67319, 176203, 221191, 446453, 451999, 1233421, 1548337, 3163993, 10395977, 72771839]

約数ペア:

[(1, 72771839), (7, 10395977), (23, 3163993), (47, 1548337), (59, 1233421), (161, 451999), (163, 446453), (329, 221191), (413, 176203), (1081, 67319), (1141, 63779), (1357, 53627), (2773, 26243), (3749, 19411), (7567, 9617), (7661, 9499)]