278839236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{105143}}^1$

素因数の和:105180

約数の個数: 48

約数和(自身を含む): 741896064

約数和(自身を除く): 463056828

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 105143, 210286, 315429, 420572, 630858, 1261716, 1366859, 1787431, 2733718, 3574862, 4100577, 5362293, 5467436, 7149724, 8201154, 10724586, 16402308, 21449172, 23236603, 46473206, 69709809, 92946412, 139419618, 278839236]

約数ペア:

[(1, 278839236), (2, 139419618), (3, 92946412), (4, 69709809), (6, 46473206), (12, 23236603), (13, 21449172), (17, 16402308), (26, 10724586), (34, 8201154), (39, 7149724), (51, 5467436), (52, 5362293), (68, 4100577), (78, 3574862), (102, 2733718), (156, 1787431), (204, 1366859), (221, 1261716), (442, 630858), (663, 420572), (884, 315429), (1326, 210286), (2652, 105143)]