221474916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8929}}^1$

素因数の和:9005

約数の個数: 72

約数和(自身を含む): 614348280

約数和(自身を除く): 392873364

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 4134, 6201, 8268, 8929, 12402, 17858, 24804, 26787, 35716, 53574, 80361, 107148, 116077, 160722, 232154, 321444, 348231, 464308, 473237, 696462, 946474, 1044693, 1392924, 1419711, 1892948, 2089386, 2839422, 4178772, 4259133, 5678844, 6152081, 8518266, 12304162, 17036532, 18456243, 24608324, 36912486, 55368729, 73824972, 110737458, 221474916]

約数ペア:

[(1, 221474916), (2, 110737458), (3, 73824972), (4, 55368729), (6, 36912486), (9, 24608324), (12, 18456243), (13, 17036532), (18, 12304162), (26, 8518266), (36, 6152081), (39, 5678844), (52, 4259133), (53, 4178772), (78, 2839422), (106, 2089386), (117, 1892948), (156, 1419711), (159, 1392924), (212, 1044693), (234, 946474), (318, 696462), (468, 473237), (477, 464308), (636, 348231), (689, 321444), (954, 232154), (1378, 160722), (1908, 116077), (2067, 107148), (2756, 80361), (4134, 53574), (6201, 35716), (8268, 26787), (8929, 24804), (12402, 17858)]