28784924

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 61662720

約数和(自身を除く): 32877796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 122, 133, 244, 266, 427, 532, 854, 887, 1159, 1708, 1774, 2318, 3548, 4636, 6209, 8113, 12418, 16226, 16853, 24836, 32452, 33706, 54107, 67412, 108214, 117971, 216428, 235942, 378749, 471884, 757498, 1028033, 1514996, 2056066, 4112132, 7196231, 14392462, 28784924]

約数ペア:

[(1, 28784924), (2, 14392462), (4, 7196231), (7, 4112132), (14, 2056066), (19, 1514996), (28, 1028033), (38, 757498), (61, 471884), (76, 378749), (122, 235942), (133, 216428), (244, 117971), (266, 108214), (427, 67412), (532, 54107), (854, 33706), (887, 32452), (1159, 24836), (1708, 16853), (1774, 16226), (2318, 12418), (3548, 8113), (4636, 6209)]