638292382

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1\times {\mathrm{773}}^1$

素因数の和:1157

約数の個数: 48

約数和(自身を含む): 1189792800

約数和(自身を除く): 551500418

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 349, 698, 773, 1183, 1546, 2366, 2443, 4537, 4886, 5411, 9074, 10049, 10822, 20098, 31759, 58981, 63518, 70343, 117962, 130637, 140686, 261274, 269777, 412867, 539554, 825734, 914459, 1828918, 1888439, 3507101, 3776878, 7014202, 24549707, 45592313, 49099414, 91184626, 319146191, 638292382]

約数ペア:

[(1, 638292382), (2, 319146191), (7, 91184626), (13, 49099414), (14, 45592313), (26, 24549707), (91, 7014202), (169, 3776878), (182, 3507101), (338, 1888439), (349, 1828918), (698, 914459), (773, 825734), (1183, 539554), (1546, 412867), (2366, 269777), (2443, 261274), (4537, 140686), (4886, 130637), (5411, 117962), (9074, 70343), (10049, 63518), (10822, 58981), (20098, 31759)]