81196688

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1455

約数の個数: 40

約数和(自身を含む): 163799040

約数和(自身を除く): 82602352

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 1016, 1289, 2032, 2578, 3937, 5156, 7874, 10312, 15748, 20624, 31496, 39959, 62992, 79918, 159836, 163703, 319672, 327406, 639344, 654812, 1309624, 2619248, 5074793, 10149586, 20299172, 40598344, 81196688]

約数ペア:

[(1, 81196688), (2, 40598344), (4, 20299172), (8, 10149586), (16, 5074793), (31, 2619248), (62, 1309624), (124, 654812), (127, 639344), (248, 327406), (254, 319672), (496, 163703), (508, 159836), (1016, 79918), (1289, 62992), (2032, 39959), (2578, 31496), (3937, 20624), (5156, 15748), (7874, 10312)]