28415996

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 58662912

約数和(自身を除く): 30246916

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 127, 131, 244, 254, 262, 427, 508, 524, 854, 889, 917, 1708, 1778, 1834, 3556, 3668, 7747, 7991, 15494, 15982, 16637, 30988, 31964, 33274, 54229, 55937, 66548, 108458, 111874, 116459, 216916, 223748, 232918, 465836, 1014857, 2029714, 4059428, 7103999, 14207998, 28415996]

約数ペア:

[(1, 28415996), (2, 14207998), (4, 7103999), (7, 4059428), (14, 2029714), (28, 1014857), (61, 465836), (122, 232918), (127, 223748), (131, 216916), (244, 116459), (254, 111874), (262, 108458), (427, 66548), (508, 55937), (524, 54229), (854, 33274), (889, 31964), (917, 30988), (1708, 16637), (1778, 15982), (1834, 15494), (3556, 7991), (3668, 7747)]