243897472

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20973

約数の個数: 64

約数和(自身を含む): 598046400

約数和(自身を除く): 354148928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 20939, 41878, 83756, 146573, 167512, 272207, 293146, 335024, 544414, 586292, 670048, 1088828, 1172584, 1340096, 1905449, 2177656, 2345168, 2680192, 3810898, 4355312, 4690336, 7621796, 8710624, 9380672, 15243592, 17421248, 18761344, 30487184, 34842496, 60974368, 121948736, 243897472]

約数ペア:

[(1, 243897472), (2, 121948736), (4, 60974368), (7, 34842496), (8, 30487184), (13, 18761344), (14, 17421248), (16, 15243592), (26, 9380672), (28, 8710624), (32, 7621796), (52, 4690336), (56, 4355312), (64, 3810898), (91, 2680192), (104, 2345168), (112, 2177656), (128, 1905449), (182, 1340096), (208, 1172584), (224, 1088828), (364, 670048), (416, 586292), (448, 544414), (728, 335024), (832, 293146), (896, 272207), (1456, 167512), (1664, 146573), (2912, 83756), (5824, 41878), (11648, 20939)]