28731724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 32957876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 371, 532, 742, 1007, 1019, 1484, 2014, 2038, 4028, 4076, 7049, 7133, 14098, 14266, 19361, 28196, 28532, 38722, 54007, 77444, 108014, 135527, 216028, 271054, 378049, 542108, 756098, 1026133, 1512196, 2052266, 4104532, 7182931, 14365862, 28731724]

約数ペア:

[(1, 28731724), (2, 14365862), (4, 7182931), (7, 4104532), (14, 2052266), (19, 1512196), (28, 1026133), (38, 756098), (53, 542108), (76, 378049), (106, 271054), (133, 216028), (212, 135527), (266, 108014), (371, 77444), (532, 54007), (742, 38722), (1007, 28532), (1019, 28196), (1484, 19361), (2014, 14266), (2038, 14098), (4028, 7133), (4076, 7049)]