257133032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{359}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 533433600

約数和(自身を除く): 276300568

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 97, 104, 142, 194, 284, 359, 388, 568, 718, 776, 923, 1261, 1436, 1846, 2522, 2872, 3692, 4667, 5044, 6887, 7384, 9334, 10088, 13774, 18668, 25489, 27548, 34823, 37336, 50978, 55096, 69646, 89531, 101956, 139292, 179062, 203912, 278584, 331357, 358124, 452699, 662714, 716248, 905398, 1325428, 1810796, 2472433, 2650856, 3621592, 4944866, 9889732, 19779464, 32141629, 64283258, 128566516, 257133032]

約数ペア:

[(1, 257133032), (2, 128566516), (4, 64283258), (8, 32141629), (13, 19779464), (26, 9889732), (52, 4944866), (71, 3621592), (97, 2650856), (104, 2472433), (142, 1810796), (194, 1325428), (284, 905398), (359, 716248), (388, 662714), (568, 452699), (718, 358124), (776, 331357), (923, 278584), (1261, 203912), (1436, 179062), (1846, 139292), (2522, 101956), (2872, 89531), (3692, 69646), (4667, 55096), (5044, 50978), (6887, 37336), (7384, 34823), (9334, 27548), (10088, 25489), (13774, 18668)]