278312646

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:781

約数の個数: 64

約数和(自身を含む): 606113280

約数和(自身を除く): 327800634

約数列:

[1, 2, 3, 6, 19, 38, 53, 57, 73, 106, 114, 146, 159, 219, 318, 438, 631, 1007, 1262, 1387, 1893, 2014, 2774, 3021, 3786, 3869, 4161, 6042, 7738, 8322, 11607, 11989, 23214, 23978, 33443, 35967, 46063, 66886, 71934, 73511, 92126, 100329, 138189, 147022, 200658, 220533, 276378, 441066, 635417, 875197, 1270834, 1750394, 1906251, 2441339, 2625591, 3812502, 4882678, 5251182, 7324017, 14648034, 46385441, 92770882, 139156323, 278312646]

約数ペア:

[(1, 278312646), (2, 139156323), (3, 92770882), (6, 46385441), (19, 14648034), (38, 7324017), (53, 5251182), (57, 4882678), (73, 3812502), (106, 2625591), (114, 2441339), (146, 1906251), (159, 1750394), (219, 1270834), (318, 875197), (438, 635417), (631, 441066), (1007, 276378), (1262, 220533), (1387, 200658), (1893, 147022), (2014, 138189), (2774, 100329), (3021, 92126), (3786, 73511), (3869, 71934), (4161, 66886), (6042, 46063), (7738, 35967), (8322, 33443), (11607, 23978), (11989, 23214)]