81268928

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 112

約数和(自身を含む): 188183520

約数和(自身を除く): 106914592

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 53, 64, 76, 97, 104, 106, 152, 194, 208, 212, 247, 304, 388, 416, 424, 494, 608, 689, 776, 832, 848, 988, 1007, 1216, 1261, 1378, 1552, 1696, 1843, 1976, 2014, 2522, 2756, 3104, 3392, 3686, 3952, 4028, 5044, 5141, 5512, 6208, 7372, 7904, 8056, 10088, 10282, 11024, 13091, 14744, 15808, 16112, 20176, 20564, 22048, 23959, 26182, 29488, 32224, 40352, 41128, 44096, 47918, 52364, 58976, 64448, 66833, 80704, 82256, 95836, 97679, 104728, 117952, 133666, 164512, 191672, 195358, 209456, 267332, 329024, 383344, 390716, 418912, 534664, 766688, 781432, 837824, 1069328, 1269827, 1533376, 1562864, 2138656, 2539654, 3125728, 4277312, 5079308, 6251456, 10158616, 20317232, 40634464, 81268928]

約数ペア:

[(1, 81268928), (2, 40634464), (4, 20317232), (8, 10158616), (13, 6251456), (16, 5079308), (19, 4277312), (26, 3125728), (32, 2539654), (38, 2138656), (52, 1562864), (53, 1533376), (64, 1269827), (76, 1069328), (97, 837824), (104, 781432), (106, 766688), (152, 534664), (194, 418912), (208, 390716), (212, 383344), (247, 329024), (304, 267332), (388, 209456), (416, 195358), (424, 191672), (494, 164512), (608, 133666), (689, 117952), (776, 104728), (832, 97679), (848, 95836), (988, 82256), (1007, 80704), (1216, 66833), (1261, 64448), (1378, 58976), (1552, 52364), (1696, 47918), (1843, 44096), (1976, 41128), (2014, 40352), (2522, 32224), (2756, 29488), (3104, 26182), (3392, 23959), (3686, 22048), (3952, 20564), (4028, 20176), (5044, 16112), (5141, 15808), (5512, 14744), (6208, 13091), (7372, 11024), (7904, 10282), (8056, 10088)]