161005072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7549}}^1$

素因数の和:7631

約数の個数: 40

約数和(自身を含む): 329542400

約数和(自身を除く): 168537328

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 1333, 2666, 5332, 7549, 10664, 15098, 21328, 30196, 60392, 120784, 234019, 324607, 468038, 649214, 936076, 1298428, 1872152, 2596856, 3744304, 5193712, 10062817, 20125634, 40251268, 80502536, 161005072]

約数ペア:

[(1, 161005072), (2, 80502536), (4, 40251268), (8, 20125634), (16, 10062817), (31, 5193712), (43, 3744304), (62, 2596856), (86, 1872152), (124, 1298428), (172, 936076), (248, 649214), (344, 468038), (496, 324607), (688, 234019), (1333, 120784), (2666, 60392), (5332, 30196), (7549, 21328), (10664, 15098)]