257947326

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157477}}^1$

素因数の和:157505

約数の個数: 48

約数和(自身を含む): 687863904

約数和(自身を除く): 429916578

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 157477, 314954, 472431, 944862, 1102339, 1417293, 2047201, 2204678, 2834586, 3307017, 4094402, 6141603, 6614034, 9921051, 12283206, 14330407, 18424809, 19842102, 28660814, 36849618, 42991221, 85982442, 128973663, 257947326]

約数ペア:

[(1, 257947326), (2, 128973663), (3, 85982442), (6, 42991221), (7, 36849618), (9, 28660814), (13, 19842102), (14, 18424809), (18, 14330407), (21, 12283206), (26, 9921051), (39, 6614034), (42, 6141603), (63, 4094402), (78, 3307017), (91, 2834586), (117, 2204678), (126, 2047201), (182, 1417293), (234, 1102339), (273, 944862), (546, 472431), (819, 314954), (1638, 157477)]