81101696

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 191237760

約数和(自身を除く): 110136064

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 47, 52, 61, 64, 68, 94, 104, 122, 128, 136, 188, 208, 221, 244, 272, 376, 416, 442, 488, 544, 611, 752, 793, 799, 832, 884, 976, 1037, 1088, 1222, 1504, 1586, 1598, 1664, 1768, 1952, 2074, 2176, 2444, 2867, 3008, 3172, 3196, 3536, 3904, 4148, 4888, 5734, 6016, 6344, 6392, 7072, 7808, 8296, 9776, 10387, 11468, 12688, 12784, 13481, 14144, 16592, 19552, 20774, 22936, 25376, 25568, 26962, 28288, 33184, 37271, 39104, 41548, 45872, 48739, 50752, 51136, 53924, 66368, 74542, 78208, 83096, 91744, 97478, 101504, 102272, 107848, 132736, 149084, 166192, 183488, 194956, 215696, 298168, 332384, 366976, 389912, 431392, 596336, 633607, 664768, 779824, 862784, 1192672, 1267214, 1329536, 1559648, 1725568, 2385344, 2534428, 3119296, 4770688, 5068856, 6238592, 10137712, 20275424, 40550848, 81101696]

約数ペア:

[(1, 81101696), (2, 40550848), (4, 20275424), (8, 10137712), (13, 6238592), (16, 5068856), (17, 4770688), (26, 3119296), (32, 2534428), (34, 2385344), (47, 1725568), (52, 1559648), (61, 1329536), (64, 1267214), (68, 1192672), (94, 862784), (104, 779824), (122, 664768), (128, 633607), (136, 596336), (188, 431392), (208, 389912), (221, 366976), (244, 332384), (272, 298168), (376, 215696), (416, 194956), (442, 183488), (488, 166192), (544, 149084), (611, 132736), (752, 107848), (793, 102272), (799, 101504), (832, 97478), (884, 91744), (976, 83096), (1037, 78208), (1088, 74542), (1222, 66368), (1504, 53924), (1586, 51136), (1598, 50752), (1664, 48739), (1768, 45872), (1952, 41548), (2074, 39104), (2176, 37271), (2444, 33184), (2867, 28288), (3008, 26962), (3172, 25568), (3196, 25376), (3536, 22936), (3904, 20774), (4148, 19552), (4888, 16592), (5734, 14144), (6016, 13481), (6344, 12784), (6392, 12688), (7072, 11468), (7808, 10387), (8296, 9776)]