278322898

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 499900032

約数和(自身を除く): 221577134

約数列:

[1, 2, 7, 14, 31, 62, 137, 151, 217, 274, 302, 434, 959, 961, 1057, 1918, 1922, 2114, 4247, 4681, 6727, 8494, 9362, 13454, 20687, 29729, 32767, 41374, 59458, 65534, 131657, 144809, 145111, 263314, 289618, 290222, 641297, 921599, 1015777, 1282594, 1843198, 2031554, 4489079, 8978158, 19880207, 39760414, 139161449, 278322898]

約数ペア:

[(1, 278322898), (2, 139161449), (7, 39760414), (14, 19880207), (31, 8978158), (62, 4489079), (137, 2031554), (151, 1843198), (217, 1282594), (274, 1015777), (302, 921599), (434, 641297), (959, 290222), (961, 289618), (1057, 263314), (1918, 145111), (1922, 144809), (2114, 131657), (4247, 65534), (4681, 59458), (6727, 41374), (8494, 32767), (9362, 29729), (13454, 20687)]