81814496

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1371

約数の個数: 48

約数和(自身を含む): 170100000

約数和(自身を除く): 88285504

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 89, 92, 178, 184, 356, 368, 712, 736, 1249, 1424, 2047, 2498, 2848, 4094, 4996, 8188, 9992, 16376, 19984, 28727, 32752, 39968, 57454, 65504, 111161, 114908, 222322, 229816, 444644, 459632, 889288, 919264, 1778576, 2556703, 3557152, 5113406, 10226812, 20453624, 40907248, 81814496]

約数ペア:

[(1, 81814496), (2, 40907248), (4, 20453624), (8, 10226812), (16, 5113406), (23, 3557152), (32, 2556703), (46, 1778576), (89, 919264), (92, 889288), (178, 459632), (184, 444644), (356, 229816), (368, 222322), (712, 114908), (736, 111161), (1249, 65504), (1424, 57454), (2047, 39968), (2498, 32752), (2848, 28727), (4094, 19984), (4996, 16376), (8188, 9992)]