313947088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{839}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 752451840

約数和(自身を除く): 438504752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 257, 364, 514, 728, 839, 1028, 1456, 1678, 1799, 2056, 3341, 3356, 3598, 4112, 5873, 6682, 6712, 7196, 10907, 11746, 13364, 13424, 14392, 21814, 23387, 23492, 26728, 28784, 43628, 46774, 46984, 53456, 76349, 87256, 93548, 93968, 152698, 174512, 187096, 215623, 305396, 374192, 431246, 610792, 862492, 1221584, 1509361, 1724984, 2803099, 3018722, 3449968, 5606198, 6037444, 11212396, 12074888, 19621693, 22424792, 24149776, 39243386, 44849584, 78486772, 156973544, 313947088]

約数ペア:

[(1, 313947088), (2, 156973544), (4, 78486772), (7, 44849584), (8, 39243386), (13, 24149776), (14, 22424792), (16, 19621693), (26, 12074888), (28, 11212396), (52, 6037444), (56, 5606198), (91, 3449968), (104, 3018722), (112, 2803099), (182, 1724984), (208, 1509361), (257, 1221584), (364, 862492), (514, 610792), (728, 431246), (839, 374192), (1028, 305396), (1456, 215623), (1678, 187096), (1799, 174512), (2056, 152698), (3341, 93968), (3356, 93548), (3598, 87256), (4112, 76349), (5873, 53456), (6682, 46984), (6712, 46774), (7196, 43628), (10907, 28784), (11746, 26728), (13364, 23492), (13424, 23387), (14392, 21814)]