218539136

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 447249600

約数和(自身を除く): 228710464

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 139, 142, 173, 278, 284, 346, 556, 568, 692, 1112, 1136, 1384, 2224, 2272, 2768, 4448, 4544, 5536, 8896, 9088, 9869, 11072, 12283, 17792, 19738, 22144, 24047, 24566, 39476, 48094, 49132, 78952, 96188, 98264, 157904, 192376, 196528, 315808, 384752, 393056, 631616, 769504, 786112, 1263232, 1539008, 1572224, 1707337, 3078016, 3414674, 6829348, 13658696, 27317392, 54634784, 109269568, 218539136]

約数ペア:

[(1, 218539136), (2, 109269568), (4, 54634784), (8, 27317392), (16, 13658696), (32, 6829348), (64, 3414674), (71, 3078016), (128, 1707337), (139, 1572224), (142, 1539008), (173, 1263232), (278, 786112), (284, 769504), (346, 631616), (556, 393056), (568, 384752), (692, 315808), (1112, 196528), (1136, 192376), (1384, 157904), (2224, 98264), (2272, 96188), (2768, 78952), (4448, 49132), (4544, 48094), (5536, 39476), (8896, 24566), (9088, 24047), (9869, 22144), (11072, 19738), (12283, 17792)]