1280497554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{274667}}^1$

素因数の和:274719

約数の個数: 48

約数和(自身を含む): 3256463808

約数和(自身を除く): 1975966254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4662, 274667, 549334, 824001, 1648002, 1922669, 2472003, 3845338, 4944006, 5768007, 10162679, 11536014, 17304021, 20325358, 30488037, 34608042, 60976074, 71138753, 91464111, 142277506, 182928222, 213416259, 426832518, 640248777, 1280497554]

約数ペア:

[(1, 1280497554), (2, 640248777), (3, 426832518), (6, 213416259), (7, 182928222), (9, 142277506), (14, 91464111), (18, 71138753), (21, 60976074), (37, 34608042), (42, 30488037), (63, 20325358), (74, 17304021), (111, 11536014), (126, 10162679), (222, 5768007), (259, 4944006), (333, 3845338), (518, 2472003), (666, 1922669), (777, 1648002), (1554, 824001), (2331, 549334), (4662, 274667)]