28339937470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1\times {\mathrm{2161}}^1$

素因数の和:2821

約数の個数: 64

約数和(自身を含む): 55310532480

約数和(自身を除く): 26970595010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 359, 562, 718, 1405, 1795, 2161, 2810, 3590, 3653, 4322, 4667, 7306, 9334, 10805, 18265, 21610, 23335, 28093, 36530, 46670, 56186, 100879, 140465, 201758, 280930, 504395, 607241, 775799, 1008790, 1214482, 1311427, 1551598, 2622854, 3036205, 3878995, 6072410, 6557135, 7757990, 7894133, 10085387, 13114270, 15788266, 20170774, 39470665, 50426935, 78941330, 100853870, 217999519, 435999038, 1089997595, 2179995190, 2833993747, 5667987494, 14169968735, 28339937470]

約数ペア:

[(1, 28339937470), (2, 14169968735), (5, 5667987494), (10, 2833993747), (13, 2179995190), (26, 1089997595), (65, 435999038), (130, 217999519), (281, 100853870), (359, 78941330), (562, 50426935), (718, 39470665), (1405, 20170774), (1795, 15788266), (2161, 13114270), (2810, 10085387), (3590, 7894133), (3653, 7757990), (4322, 6557135), (4667, 6072410), (7306, 3878995), (9334, 3036205), (10805, 2622854), (18265, 1551598), (21610, 1311427), (23335, 1214482), (28093, 1008790), (36530, 775799), (46670, 607241), (56186, 504395), (100879, 280930), (140465, 201758)]