280804878

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21341}}^1$

素因数の和:21409

約数の個数: 48

約数和(自身を含む): 659211696

約数和(自身を除く): 378406818

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1462, 2193, 4386, 6579, 13158, 21341, 42682, 64023, 128046, 192069, 362797, 384138, 725594, 917663, 1088391, 1835326, 2176782, 2752989, 3265173, 5505978, 6530346, 8258967, 15600271, 16517934, 31200542, 46800813, 93601626, 140402439, 280804878]

約数ペア:

[(1, 280804878), (2, 140402439), (3, 93601626), (6, 46800813), (9, 31200542), (17, 16517934), (18, 15600271), (34, 8258967), (43, 6530346), (51, 5505978), (86, 3265173), (102, 2752989), (129, 2176782), (153, 1835326), (258, 1088391), (306, 917663), (387, 725594), (731, 384138), (774, 362797), (1462, 192069), (2193, 128046), (4386, 64023), (6579, 42682), (13158, 21341)]