247181508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2341}}^1$

素因数の和:2777

約数の個数: 72

約数和(自身を含む): 716089920

約数和(自身を除く): 468908412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 419, 838, 1257, 1676, 2341, 2514, 2933, 3771, 4682, 5028, 5866, 7023, 7542, 8799, 9364, 11732, 14046, 15084, 16387, 17598, 21069, 26397, 28092, 32774, 35196, 42138, 49161, 52794, 65548, 84276, 98322, 105588, 147483, 196644, 294966, 589932, 980879, 1961758, 2942637, 3923516, 5885274, 6866153, 8827911, 11770548, 13732306, 17655822, 20598459, 27464612, 35311644, 41196918, 61795377, 82393836, 123590754, 247181508]

約数ペア:

[(1, 247181508), (2, 123590754), (3, 82393836), (4, 61795377), (6, 41196918), (7, 35311644), (9, 27464612), (12, 20598459), (14, 17655822), (18, 13732306), (21, 11770548), (28, 8827911), (36, 6866153), (42, 5885274), (63, 3923516), (84, 2942637), (126, 1961758), (252, 980879), (419, 589932), (838, 294966), (1257, 196644), (1676, 147483), (2341, 105588), (2514, 98322), (2933, 84276), (3771, 65548), (4682, 52794), (5028, 49161), (5866, 42138), (7023, 35196), (7542, 32774), (8799, 28092), (9364, 26397), (11732, 21069), (14046, 17598), (15084, 16387)]