278216484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{254777}}^1$

素因数の和:254804

約数の個数: 48

約数和(自身を含む): 798983808

約数和(自身を除く): 520767324

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 254777, 509554, 764331, 1019108, 1528662, 1783439, 3057324, 3312101, 3566878, 5350317, 6624202, 7133756, 9936303, 10700634, 13248404, 19872606, 21401268, 23184707, 39745212, 46369414, 69554121, 92738828, 139108242, 278216484]

約数ペア:

[(1, 278216484), (2, 139108242), (3, 92738828), (4, 69554121), (6, 46369414), (7, 39745212), (12, 23184707), (13, 21401268), (14, 19872606), (21, 13248404), (26, 10700634), (28, 9936303), (39, 7133756), (42, 6624202), (52, 5350317), (78, 3566878), (84, 3312101), (91, 3057324), (156, 1783439), (182, 1528662), (273, 1019108), (364, 764331), (546, 509554), (1092, 254777)]