388982972

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1559}}^1$

素因数の和:1663

約数の個数: 72

約数和(自身を含む): 846518400

約数和(自身を除く): 457535428

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 67, 76, 98, 133, 134, 196, 266, 268, 469, 532, 931, 938, 1273, 1559, 1862, 1876, 2546, 3118, 3283, 3724, 5092, 6236, 6566, 8911, 10913, 13132, 17822, 21826, 29621, 35644, 43652, 59242, 62377, 76391, 104453, 118484, 124754, 152782, 207347, 208906, 249508, 305564, 414694, 417812, 731171, 829388, 1451429, 1462342, 1984607, 2902858, 2924684, 3969214, 5118197, 5805716, 7938428, 10236394, 13892249, 20472788, 27784498, 55568996, 97245743, 194491486, 388982972]

約数ペア:

[(1, 388982972), (2, 194491486), (4, 97245743), (7, 55568996), (14, 27784498), (19, 20472788), (28, 13892249), (38, 10236394), (49, 7938428), (67, 5805716), (76, 5118197), (98, 3969214), (133, 2924684), (134, 2902858), (196, 1984607), (266, 1462342), (268, 1451429), (469, 829388), (532, 731171), (931, 417812), (938, 414694), (1273, 305564), (1559, 249508), (1862, 208906), (1876, 207347), (2546, 152782), (3118, 124754), (3283, 118484), (3724, 104453), (5092, 76391), (6236, 62377), (6566, 59242), (8911, 43652), (10913, 35644), (13132, 29621), (17822, 21826)]