81798290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 173435904

約数和(自身を除く): 91637614

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 107, 134, 163, 214, 326, 335, 469, 535, 670, 749, 815, 938, 1070, 1141, 1498, 1630, 2282, 2345, 3745, 4690, 5705, 7169, 7490, 10921, 11410, 14338, 17441, 21842, 34882, 35845, 50183, 54605, 71690, 76447, 87205, 100366, 109210, 122087, 152894, 174410, 244174, 250915, 382235, 501830, 610435, 764470, 1168547, 1220870, 2337094, 5842735, 8179829, 11685470, 16359658, 40899145, 81798290]

約数ペア:

[(1, 81798290), (2, 40899145), (5, 16359658), (7, 11685470), (10, 8179829), (14, 5842735), (35, 2337094), (67, 1220870), (70, 1168547), (107, 764470), (134, 610435), (163, 501830), (214, 382235), (326, 250915), (335, 244174), (469, 174410), (535, 152894), (670, 122087), (749, 109210), (815, 100366), (938, 87205), (1070, 76447), (1141, 71690), (1498, 54605), (1630, 50183), (2282, 35845), (2345, 34882), (3745, 21842), (4690, 17441), (5705, 14338), (7169, 11410), (7490, 10921)]