81447604

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21871}}^1$

素因数の和:21908

約数の個数: 36

約数和(自身を含む): 174538560

約数和(自身を除く): 93090956

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 21871, 43742, 87484, 153097, 306194, 415549, 612388, 831098, 1071679, 1662196, 2143358, 2908843, 4286716, 5817686, 11635372, 20361901, 40723802, 81447604]

約数ペア:

[(1, 81447604), (2, 40723802), (4, 20361901), (7, 11635372), (14, 5817686), (19, 4286716), (28, 2908843), (38, 2143358), (49, 1662196), (76, 1071679), (98, 831098), (133, 612388), (196, 415549), (266, 306194), (532, 153097), (931, 87484), (1862, 43742), (3724, 21871)]