278780892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3459

約数の個数: 96

約数和(自身を含む): 765886464

約数和(自身を除く): 487105572

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 31, 34, 39, 51, 52, 62, 68, 78, 93, 102, 124, 156, 186, 204, 221, 372, 403, 442, 527, 663, 806, 884, 1054, 1209, 1326, 1581, 1612, 2108, 2418, 2652, 3162, 3391, 4836, 6324, 6782, 6851, 10173, 13564, 13702, 20346, 20553, 27404, 40692, 41106, 44083, 57647, 82212, 88166, 105121, 115294, 132249, 172941, 176332, 210242, 230588, 264498, 315363, 345882, 420484, 528996, 630726, 691764, 749411, 1261452, 1366573, 1498822, 1787057, 2248233, 2733146, 2997644, 3574114, 4099719, 4496466, 5361171, 5466292, 7148228, 8199438, 8992932, 10722342, 16398876, 21444684, 23231741, 46463482, 69695223, 92926964, 139390446, 278780892]

約数ペア:

[(1, 278780892), (2, 139390446), (3, 92926964), (4, 69695223), (6, 46463482), (12, 23231741), (13, 21444684), (17, 16398876), (26, 10722342), (31, 8992932), (34, 8199438), (39, 7148228), (51, 5466292), (52, 5361171), (62, 4496466), (68, 4099719), (78, 3574114), (93, 2997644), (102, 2733146), (124, 2248233), (156, 1787057), (186, 1498822), (204, 1366573), (221, 1261452), (372, 749411), (403, 691764), (442, 630726), (527, 528996), (663, 420484), (806, 345882), (884, 315363), (1054, 264498), (1209, 230588), (1326, 210242), (1581, 176332), (1612, 172941), (2108, 132249), (2418, 115294), (2652, 105121), (3162, 88166), (3391, 82212), (4836, 57647), (6324, 44083), (6782, 41106), (6851, 40692), (10173, 27404), (13564, 20553), (13702, 20346)]