81495484672

素因数分解:

$2^8\times 7^1\times {\mathrm{61}}^1\times {\mathrm{745531}}^1$

素因数の和:745615

約数の個数: 72

約数和(自身を含む): 188959558592

約数和(自身を除く): 107464073920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 854, 896, 976, 1708, 1792, 1952, 3416, 3904, 6832, 7808, 13664, 15616, 27328, 54656, 109312, 745531, 1491062, 2982124, 5218717, 5964248, 10437434, 11928496, 20874868, 23856992, 41749736, 45477391, 47713984, 83499472, 90954782, 95427968, 166998944, 181909564, 190855936, 318341737, 333997888, 363819128, 636683474, 667995776, 727638256, 1273366948, 1335991552, 1455276512, 2546733896, 2910553024, 5093467792, 5821106048, 10186935584, 11642212096, 20373871168, 40747742336, 81495484672]

約数ペア:

[(1, 81495484672), (2, 40747742336), (4, 20373871168), (7, 11642212096), (8, 10186935584), (14, 5821106048), (16, 5093467792), (28, 2910553024), (32, 2546733896), (56, 1455276512), (61, 1335991552), (64, 1273366948), (112, 727638256), (122, 667995776), (128, 636683474), (224, 363819128), (244, 333997888), (256, 318341737), (427, 190855936), (448, 181909564), (488, 166998944), (854, 95427968), (896, 90954782), (976, 83499472), (1708, 47713984), (1792, 45477391), (1952, 41749736), (3416, 23856992), (3904, 20874868), (6832, 11928496), (7808, 10437434), (13664, 5964248), (15616, 5218717), (27328, 2982124), (54656, 1491062), (109312, 745531)]