72416816

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1689

約数の個数: 40

約数和(自身を含む): 145806144

約数和(自身を除く): 73389328

約数列:

[1, 2, 4, 8, 16, 43, 67, 86, 134, 172, 268, 344, 536, 688, 1072, 1571, 2881, 3142, 5762, 6284, 11524, 12568, 23048, 25136, 46096, 67553, 105257, 135106, 210514, 270212, 421028, 540424, 842056, 1080848, 1684112, 4526051, 9052102, 18104204, 36208408, 72416816]

約数ペア:

[(1, 72416816), (2, 36208408), (4, 18104204), (8, 9052102), (16, 4526051), (43, 1684112), (67, 1080848), (86, 842056), (134, 540424), (172, 421028), (268, 270212), (344, 210514), (536, 135106), (688, 105257), (1072, 67553), (1571, 46096), (2881, 25136), (3142, 23048), (5762, 12568), (6284, 11524)]