28408028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 57093120

約数和(自身を除く): 28685092

約数列:

[1, 2, 4, 11, 22, 31, 44, 59, 62, 118, 124, 236, 341, 353, 649, 682, 706, 1298, 1364, 1412, 1829, 2596, 3658, 3883, 7316, 7766, 10943, 15532, 20119, 20827, 21886, 40238, 41654, 43772, 80476, 83308, 120373, 229097, 240746, 458194, 481492, 645637, 916388, 1291274, 2582548, 7102007, 14204014, 28408028]

約数ペア:

[(1, 28408028), (2, 14204014), (4, 7102007), (11, 2582548), (22, 1291274), (31, 916388), (44, 645637), (59, 481492), (62, 458194), (118, 240746), (124, 229097), (236, 120373), (341, 83308), (353, 80476), (649, 43772), (682, 41654), (706, 40238), (1298, 21886), (1364, 20827), (1412, 20119), (1829, 15532), (2596, 10943), (3658, 7766), (3883, 7316)]