279788054

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 545771520

約数和(自身を除く): 265983466

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 89, 91, 161, 178, 182, 299, 322, 598, 623, 751, 1157, 1246, 1502, 2047, 2093, 2314, 4094, 4186, 5257, 8099, 9763, 10514, 14329, 16198, 17273, 19526, 26611, 28658, 34546, 53222, 66839, 68341, 120911, 133678, 136682, 186277, 224549, 241822, 372554, 449098, 467873, 868907, 935746, 1537297, 1571843, 1737814, 3074594, 3143686, 6082349, 10761079, 12164698, 19984861, 21522158, 39969722, 139894027, 279788054]

約数ペア:

[(1, 279788054), (2, 139894027), (7, 39969722), (13, 21522158), (14, 19984861), (23, 12164698), (26, 10761079), (46, 6082349), (89, 3143686), (91, 3074594), (161, 1737814), (178, 1571843), (182, 1537297), (299, 935746), (322, 868907), (598, 467873), (623, 449098), (751, 372554), (1157, 241822), (1246, 224549), (1502, 186277), (2047, 136682), (2093, 133678), (2314, 120911), (4094, 68341), (4186, 66839), (5257, 53222), (8099, 34546), (9763, 28658), (10514, 26611), (14329, 19526), (16198, 17273)]