71947778

素因数分解:

$2^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 129830040

約数和(自身を除く): 57882262

約数列:

[1, 2, 7, 14, 49, 73, 89, 98, 113, 146, 178, 226, 511, 623, 791, 1022, 1246, 1582, 3577, 4361, 5537, 6497, 7154, 8249, 8722, 10057, 11074, 12994, 16498, 20114, 45479, 57743, 70399, 90958, 115486, 140798, 318353, 404201, 492793, 636706, 734161, 808402, 985586, 1468322, 5139127, 10278254, 35973889, 71947778]

約数ペア:

[(1, 71947778), (2, 35973889), (7, 10278254), (14, 5139127), (49, 1468322), (73, 985586), (89, 808402), (98, 734161), (113, 636706), (146, 492793), (178, 404201), (226, 318353), (511, 140798), (623, 115486), (791, 90958), (1022, 70399), (1246, 57743), (1582, 45479), (3577, 20114), (4361, 16498), (5537, 12994), (6497, 11074), (7154, 10057), (8249, 8722)]