278313588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4621}}^1$

素因数の和:4877

約数の個数: 72

約数和(自身を含む): 807555840

約数和(自身を除く): 529242252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 478, 717, 956, 1434, 1673, 2151, 2868, 3346, 4302, 4621, 5019, 6692, 8604, 9242, 10038, 13863, 15057, 18484, 20076, 27726, 30114, 32347, 41589, 55452, 60228, 64694, 83178, 97041, 129388, 166356, 194082, 291123, 388164, 582246, 1104419, 1164492, 2208838, 3313257, 4417676, 6626514, 7730933, 9939771, 13253028, 15461866, 19879542, 23192799, 30923732, 39759084, 46385598, 69578397, 92771196, 139156794, 278313588]

約数ペア:

[(1, 278313588), (2, 139156794), (3, 92771196), (4, 69578397), (6, 46385598), (7, 39759084), (9, 30923732), (12, 23192799), (14, 19879542), (18, 15461866), (21, 13253028), (28, 9939771), (36, 7730933), (42, 6626514), (63, 4417676), (84, 3313257), (126, 2208838), (239, 1164492), (252, 1104419), (478, 582246), (717, 388164), (956, 291123), (1434, 194082), (1673, 166356), (2151, 129388), (2868, 97041), (3346, 83178), (4302, 64694), (4621, 60228), (5019, 55452), (6692, 41589), (8604, 32347), (9242, 30114), (10038, 27726), (13863, 20076), (15057, 18484)]