256191516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53507}}^1$

素因数の和:53543

約数の個数: 72

約数和(自身を含む): 779076480

約数和(自身を除く): 522884964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 53507, 107014, 160521, 214028, 321042, 374549, 481563, 642084, 749098, 963126, 1016633, 1123647, 1498196, 1926252, 2033266, 2247294, 3049899, 3370941, 4066532, 4494588, 6099798, 6741882, 7116431, 9149697, 12199596, 13483764, 14232862, 18299394, 21349293, 28465724, 36598788, 42698586, 64047879, 85397172, 128095758, 256191516]

約数ペア:

[(1, 256191516), (2, 128095758), (3, 85397172), (4, 64047879), (6, 42698586), (7, 36598788), (9, 28465724), (12, 21349293), (14, 18299394), (18, 14232862), (19, 13483764), (21, 12199596), (28, 9149697), (36, 7116431), (38, 6741882), (42, 6099798), (57, 4494588), (63, 4066532), (76, 3370941), (84, 3049899), (114, 2247294), (126, 2033266), (133, 1926252), (171, 1498196), (228, 1123647), (252, 1016633), (266, 963126), (342, 749098), (399, 642084), (532, 481563), (684, 374549), (798, 321042), (1197, 214028), (1596, 160521), (2394, 107014), (4788, 53507)]