661676288

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28403}}^1$

素因数の和:28439

約数の個数: 72

約数和(自身を含む): 1625617728

約数和(自身を除く): 963941440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 11648, 23296, 28403, 56806, 113612, 198821, 227224, 369239, 397642, 454448, 738478, 795284, 908896, 1476956, 1590568, 1817792, 2584673, 2953912, 3181136, 3635584, 5169346, 5907824, 6362272, 7271168, 10338692, 11815648, 12724544, 20677384, 23631296, 25449088, 41354768, 47262592, 50898176, 82709536, 94525184, 165419072, 330838144, 661676288]

約数ペア:

[(1, 661676288), (2, 330838144), (4, 165419072), (7, 94525184), (8, 82709536), (13, 50898176), (14, 47262592), (16, 41354768), (26, 25449088), (28, 23631296), (32, 20677384), (52, 12724544), (56, 11815648), (64, 10338692), (91, 7271168), (104, 6362272), (112, 5907824), (128, 5169346), (182, 3635584), (208, 3181136), (224, 2953912), (256, 2584673), (364, 1817792), (416, 1590568), (448, 1476956), (728, 908896), (832, 795284), (896, 738478), (1456, 454448), (1664, 397642), (1792, 369239), (2912, 227224), (3328, 198821), (5824, 113612), (11648, 56806), (23296, 28403)]