278319852

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2381}}^1$

素因数の和:2599

約数の個数: 72

約数和(自身を含む): 749129472

約数和(自身を除く): 470809620

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 191, 204, 306, 382, 573, 612, 764, 1146, 1719, 2292, 2381, 3247, 3438, 4762, 6494, 6876, 7143, 9524, 9741, 12988, 14286, 19482, 21429, 28572, 29223, 38964, 40477, 42858, 58446, 80954, 85716, 116892, 121431, 161908, 242862, 364293, 454771, 485724, 728586, 909542, 1364313, 1457172, 1819084, 2728626, 4092939, 5457252, 7731107, 8185878, 15462214, 16371756, 23193321, 30924428, 46386642, 69579963, 92773284, 139159926, 278319852]

約数ペア:

[(1, 278319852), (2, 139159926), (3, 92773284), (4, 69579963), (6, 46386642), (9, 30924428), (12, 23193321), (17, 16371756), (18, 15462214), (34, 8185878), (36, 7731107), (51, 5457252), (68, 4092939), (102, 2728626), (153, 1819084), (191, 1457172), (204, 1364313), (306, 909542), (382, 728586), (573, 485724), (612, 454771), (764, 364293), (1146, 242862), (1719, 161908), (2292, 121431), (2381, 116892), (3247, 85716), (3438, 80954), (4762, 58446), (6494, 42858), (6876, 40477), (7143, 38964), (9524, 29223), (9741, 28572), (12988, 21429), (14286, 19482)]