398804955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 705024000

約数和(自身を除く): 306219045

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 199, 255, 271, 435, 493, 597, 813, 995, 1355, 1479, 2465, 2985, 3383, 4065, 4607, 5771, 7395, 7859, 10149, 13821, 16915, 17313, 23035, 23577, 28855, 39295, 50745, 53929, 69105, 86565, 98107, 117885, 133603, 161787, 269645, 294321, 400809, 490535, 668015, 808935, 916793, 1471605, 1563941, 2004045, 2750379, 4583965, 4691823, 7819705, 13751895, 23459115, 26586997, 79760991, 132934985, 398804955]

約数ペア:

[(1, 398804955), (3, 132934985), (5, 79760991), (15, 26586997), (17, 23459115), (29, 13751895), (51, 7819705), (85, 4691823), (87, 4583965), (145, 2750379), (199, 2004045), (255, 1563941), (271, 1471605), (435, 916793), (493, 808935), (597, 668015), (813, 490535), (995, 400809), (1355, 294321), (1479, 269645), (2465, 161787), (2985, 133603), (3383, 117885), (4065, 98107), (4607, 86565), (5771, 69105), (7395, 53929), (7859, 50745), (10149, 39295), (13821, 28855), (16915, 23577), (17313, 23035)]