15555280388

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{1979}}^1$

素因数の和:2400

約数の個数: 48

約数和(自身を含む): 27972806400

約数和(自身を除く): 12417526012

約数列:

[1, 2, 4, 67, 134, 139, 211, 268, 278, 422, 556, 844, 1979, 3958, 7916, 9313, 14137, 18626, 28274, 29329, 37252, 56548, 58658, 117316, 132593, 265186, 275081, 417569, 530372, 550162, 835138, 1100324, 1670276, 1965043, 3930086, 7860172, 18430427, 27977123, 36860854, 55954246, 58042091, 73721708, 111908492, 116084182, 232168364, 3888820097, 7777640194, 15555280388]

約数ペア:

[(1, 15555280388), (2, 7777640194), (4, 3888820097), (67, 232168364), (134, 116084182), (139, 111908492), (211, 73721708), (268, 58042091), (278, 55954246), (422, 36860854), (556, 27977123), (844, 18430427), (1979, 7860172), (3958, 3930086), (7916, 1965043), (9313, 1670276), (14137, 1100324), (18626, 835138), (28274, 550162), (29329, 530372), (37252, 417569), (56548, 275081), (58658, 265186), (117316, 132593)]